Neuralink, the brain-chip startup founded by Elon Musk, showed its first patient using his mind to play online chess. Reuters reports: Noland Arbaugh, the 29-year-old patient who was paralyzed below the shoulder after a diving accident, played chess on his laptop and moved the cursor using the Neuralink device. The implant seeks to enable people to control a computer cursor or keyboard using only their thoughts. Arbaugh had received an implant from the company in January and could control a computer mouse using his thoughts, Musk said last month.

"The surgery was super easy," Arbaugh said in the video streamed on Musk's social media platform X, referring to the implant procedure. "I literally was released from the hospital a day later. I have no cognitive impairments. I had basically given up playing that game," Arbaugh said, referring to the game Civilization VI, "you all (Neuralink) gave me the ability to do that again and played for 8 hours straight."

Elaborating on his experience with the new technology, Arbaugh said that it is "not perfect" and they "have run into some issues." "I don't want people to think that this is the end of the journey, there's still a lot of work to be done, but it has already changed my life," he added.

schwit1 shares a report from ScienceAlert: Sound waves fossilized in the maps of galaxies across the Universe could be interpreted as signs of a Big Bang that took place 13 billion years earlier than current models suggest. Last year, theoretical physicist Rajendra Gupta from the University of Ottawa in Canada published a rather extraordinary proposal that the Universe's currently accepted age is a trick of the light, one that masks its truly ancient state while also ridding us of the need to explain hidden forces. Gupta's latest analysis suggests oscillations from the earliest moments in time preserved in large-scale cosmic structures support his claims. "The study's findings confirm that our previous work about the age of the Universe being 26.7 billion years has allowed us to discover that the Universe does not require dark matter to exist," says Gupta. "In standard cosmology, the accelerated expansion of the Universe is said to be caused by dark energy but is in fact due to the weakening forces of nature as it expands, not due to dark energy." [...]

Current cosmological models make the reasonable assumption that certain forces governing the interactions of particles have remained constant throughout time. Gupta challenges a specific example of this 'coupling constant', asking how it might affect the spread of space over exhaustively long periods of time. It's hard enough for any novel hypothesis to survive the intense scrutiny of the scientific community. But Gupta's suggestion isn't even entirely new -- it's loosely based on an idea that was shown the door nearly a century ago. In the late 1920s, Swiss physicist Fritz Zwicky wondered if the reddened light of far distant objects was a result of lost energy, like a marathon runner exhausted by a long journey across the eons of space. His 'tired light' hypothesis was in competition with the now-accepted theory that light's red-shifted frequency is due to the cumulative expansion of space tugging at light waves like a stretched spring.

The consequences of Gupta's version of the tired light hypothesis -- what is referred to as covarying coupling constants plus tired light, or CCC+TL -- would affect the Universe expansion, doing away with mysterious pushing forces of dark energy and blaming changing interactions between known particles for the increased stretching of space. To replace existing models with CCC+TL, Gupta would need to convince cosmologists his model does a better job of explaining what we see at large. His latest paper attempts to do that by using CCC+TL to explain fluctuations in the spread of visible matter across space caused by sound waves in a newborn Universe, and the glow of ancient dawn known as the cosmic microwave background. While his analysis concludes his hybrid tired light theory can play nicely with certain features of the Universe's residual echoes of light and sound, it does so only if we also ditch the idea that dark matter is also a thing. The research has been published in The Astrophysical Journal.

The European Union has agreed to launch four Galileo navigation satellites on SpaceX's Falcon 9 rocket at a 30 percent premium over the standard launch price. Ars Technica reports: According to Politico, the security agreement permits staff working for the EU and European Space Agency to have access to the launch pad at all times and, should there be a mishap with the mission, the first opportunity to retrieve debris. With the agreement, final preparations can begin for two launches of two satellites each, on the Falcon 9 rocket from Florida. These Galileo missions will occur later this year. The satellites, which each weigh about 700 kg, will be launched into an orbit about 22,000 km above the planet.

The heightened security measures are due to the proprietary technology incorporated into the satellites, which cost hundreds of millions of euros to build; they perform a similar function to US-manufactured Global Positioning System satellites. The Florida launches will be the first time Galileo satellites, which are used for civilian and military purposes, have been exported outside of European territory. Due to the extra overhead related to the national security mission, the European Union agreed to pay 180 million euros for the two launches, or about $196 million. This represents about a 30 percent premium over the standard launch price of $67 million for a Falcon 9 launch. Over the past two years, the European Space Agency (ESA) had to rely on SpaceX for several launches, including significant projects like the Euclid space telescope and other ESA satellites, due to the cessation of collaborations with Roscosmos after the invasion of Ukraine and delays in the Ariane 6 rocket's development. With the Ariane 5 retired and no immediate replacement, Europe's access to space was compromised.

That said, the Ariane 6 is working towards a launch window in the coming months, promising a return to self-reliance for ESA with a packed schedule of missions ahead.

Several readers shared the following report: Intermittent fasting, a diet pattern that involves alternating between periods of fasting and eating, can lower blood pressure and help some people lose weight, past research has indicated. But an analysis presented Monday at the American Heart Association's scientific sessions in Chicago challenges the notion that intermittent fasting is good for heart health. Instead, researchers from Shanghai Jiao Tong University School of Medicine in China found that people who restricted food consumption to less than eight hours per day had a 91% higher risk of dying from cardiovascular disease over a median period of eight years, relative to people who ate across 12 to 16 hours.

It's some of the first research investigating the association between time-restricted eating (a type of intermittent fasting) and the risk of death from cardiovascular disease. The analysis -- which has not yet been peer-reviewed or published in an academic journal -- is based on data from the Centers for Disease Control and Prevention's National Health and Nutrition Examination Survey collected between 2003 and 2018. The researchers analyzed responses from around 20,000 adults who recorded what they ate for at least two days, then looked at who had died from cardiovascular disease after a median follow-up period of eight years. However, Victor Wenze Zhong, a co-author of the analysis, said it's too early to make specific recommendations about intermittent fasting based on his research alone.

The Associated Press reports on the passing of astronaut Thomas P. Stafford, the commander of a dress rehearsal flight for the 1969 moon landing and the first U.S.-Soviet space linkup. He was 93. From the report: Stafford, a retired Air Force three-star general, took part in four space missions. Before Apollo 10, he flew on two Gemini flights, including the first rendezvous of two U.S. capsules in orbit. He died in a hospital near his Space Coast Florida home, said Max Ary, director of the Stafford Air & Space Museum in Weatherford, Oklahoma. Stafford was one of 24 NASA astronauts who flew to the moon, but he did not land on it. Only seven of them are still alive. After he put away his flight suit, Stafford was the go-to guy for NASA when it sought independent advice on everything from human Mars missions to safety issues to returning to flight after the 2003 space shuttle Columbia accident. He chaired an oversight group that looked into how to fix the then-flawed Hubble Space Telescope, earning a NASA public service award.

"Tom was involved in so many things that most people were not aware of, such as being known as the 'Father of Stealth,'" Ary said in an email. Stafford was in charge of the famous 'Area 51' desert base that was the site of many UFO theories, but the home of testing of Air Force stealth technologies. The Apollo 10 mission in May 1969 set the stage for Apollo 11's historic mission two months later. Stafford and Gene Cernan took the lunar lander nicknamed Snoopy within 9 miles (14 kilometers) of the moon's surface. Astronaut John Young stayed behind in the main spaceship dubbed Charlie Brown. "The most impressive sight, I think, that really changed your view of things is when you first see Earth," Stafford recalled in a 1997 oral history, talking about the view from lunar orbit. Then came the moon's far side: "The Earth disappears. There's this big black void." Apollo 10's return to Earth set the world's record for fastest speed by a crewed vehicle at 24,791 mph (39,897 kph).

After the moon landings ended, NASA and the Soviet Union decided on a joint docking mission and Stafford, a one-star general at the time, was chosen to command the American side. It meant intensive language training, being followed by the KGB while in the Soviet Union, and lifelong friendships with cosmonauts. The two teams of space travelers even went to Disney World and rode Space Mountain together before going into orbit and joining ships. "We have capture," Stafford radioed in Russian as the Apollo and Soyuz spacecraft hooked up. His Russian counterpart, Alexei Leonov, responded in English: "Well done, Tom, it was a good show. I vote for you." [...] The 1975 mission included two days during which the five men worked together on experiments. After, the two teams toured the world together, meeting President Gerald Ford and Soviet leader Leonid Brezhnev. "It helped prove to the rest of the world that two completely opposite political systems could work together," Stafford recalled at a 30th anniversary gathering in 2005. Later, Stafford was a central part of discussions in the 1990s that brought Russia into the partnership building and operating the International Space Station.

An anonymous reader quotes a report from the Associated Press: The Environmental Protection Agency on Monday announced a comprehensive ban on asbestos, a carcinogen that kills tens of thousands of Americans every year but is still used in some chlorine bleach, brake pads and other products. The final rule marks a major expansion of EPA regulation under a landmark 2016 law that overhauled regulations governing tens of thousands of toxic chemicals in everyday products, from household cleaners to clothing and furniture. The new rule would ban chrysotile asbestos, the only ongoing use of asbestos in the United States. The substance is found in products such as brake linings and gaskets and is used to manufacture chlorine bleach and sodium hydroxide, also known as caustic soda, including some that is used for water purification. [...]

The 2016 law authorized new rules for tens of thousands of toxic chemicals found in everyday products, including substances such as asbestos and trichloroethylene that for decades have been known to cause cancer yet were largely unregulated under federal law. Known as the Frank Lautenberg Chemical Safety Act, the law was intended to clear up a hodgepodge of state rules governing chemicals and update the Toxic Substances Control Act, a 1976 law that had remained unchanged for 40 years. The EPA banned asbestos in 1989, but the rule was largely overturned by a 1991 Court of Appeals decision that weakened the EPA's authority under TSCA to address risks to human health from asbestos or other existing chemicals. The 2016 law required the EPA to evaluate chemicals and put in place protections against unreasonable risks. Asbestos, which was once common in home insulation and other products, is banned in more than 50 countries, and its use in the U.S. has been declining for decades. The only form of asbestos known to be currently imported, processed or distributed for use in the U.S. is chrysotile asbestos, which is imported primarily from Brazil and Russia. It is used by the chlor-alkali industry, which produces bleach, caustic soda and other products. Most consumer products that historically contained chrysotile asbestos have been discontinued. While chlorine is a commonly used disinfectant in water treatment, there are only eight chlor-alkali plants in the U.S. that still use asbestos diaphragms to produce chlorine and sodium hydroxide. The plants are mostly located in Louisiana and Texas.

The use of asbestos diaphragms has been declining and now accounts for less than one-third of the chlor-alkali production in the U.S., the EPA said. The EPA rule will ban imports of asbestos for chlor-alkali as soon as the rule is published but will phase in prohibitions on chlor-alkali use over five or more years to provide what the agency called "a reasonable transition period." A ban on most other uses of asbestos will effect in two years. A ban on asbestos in oilfield brake blocks, aftermarket automotive brakes and linings and other gaskets will take effect in six months. The EPA rule allows asbestos-containing sheet gaskets to be used until 2037 at the U.S. Department of Energy's Savannah River Site in South Carolina to ensure that safe disposal of nuclear materials can continue on schedule. Separately, the EPA is also evaluating so-called legacy uses of asbestos in older buildings, including schools and industrial sites, to determine possible public health risks. A final risk evaluation is expected by the end of the year.

An anonymous reader quotes a report from CBC News: An array of advanced tests found no brain injuries or degeneration among U.S. diplomats and other government employees who suffer mysterious health problems once dubbed "Havana syndrome," researchers reported Monday. The National Institutes of Health's (NIH) nearly five-year study offers no explanation for symptoms including headaches, balance problems and difficulties with thinking and sleep that were first reported in Cuba in 2016 and later by hundreds of American personnel in multiple countries. But it did contradict some earlier findings that raised the spectre of brain injuries in people experiencing what the State Department now calls "anomalous health incidents."

"These individuals have real symptoms and are going through a very tough time," said Dr. Leighton Chan, NIH's chief of rehabilitation medicine, who helped lead the research. "They can be quite profound, disabling and difficult to treat." Yet sophisticated MRI scans detected no significant differences in brain volume, structure or white matter -- signs of injury or degeneration -- when Havana syndrome patients were compared to healthy government workers with similar jobs, including some in the same embassy. Nor were there significant differences in cognitive and other tests, according to findings published in the Journal of the American Medical Association.

Published scientific papers include language that appears to have been generated by AI-tools like ChatGPT, showing how pervasive the technology has become, and highlighting longstanding issues with some peer-reviewed journals. From a report: Searching for the phrase "As of my last knowledge update" on Google Scholar, a free search tool that indexes articles published in academic journals, returns 115 results. The phrase is often used by OpenAI's ChatGPT to indicate when the data the answer it is giving users is coming from, and the specific months and years found in these academic papers correspond to previous ChatGPT "knowledge updates."

"As of my last knowledge update in September 2021, there is no widely accepted scientific correlation between quantum entanglement and longitudinal scalar waves," reads a paper titled "Quantum Entanglement: Examining its Nature and Implications" published in the "Journal of Material Sciences & Manfacturing [sic] Research," a publication that claims it's peer-reviewed. Over the weekend, a tweet showing the same AI-generated phrase appearing in several scientific papers went viral.

Most of the scientific papers I looked at that included this phrase are small, not well known, and appear to be "paper mills," journals with low editorial standards that will publish almost anything quickly. One publication where I found the AI-generated phrase, the Open Access Research Journal of Engineering and Technology, advertises "low publication charges," an "e-certificate" of publication, and is currently advertising a call for papers, promising acceptance within 48 hours and publication within four days.

The Street interviewed Chad Anderson, founder/managing partner of the "space economy" investment firm Space Capital, who calls SpaceX's progress "unprecedented," and believes their next launch could carry "operational" payloads like Starlink satellites. Anderson added that Starship reaching orbital velocity and reentering the atmosphere at those speeds (roughly 16,000 miles per hour) was "a really big deal," though it's specifically important for the reusability of the vehicle, which would further cheapen the cost of launch.

"The fact that they did all those things and they can now move into operations as an investor is hugely important and significant," Anderson said. "Having an operational Starship vehicle is really important because, at the moment, they just can't launch Starlink satellites fast enough. Starship is going to be able to launch 10 times more than Falcon 9 can, and that's really important...."

The ship is so big that, according to Anderson, Starship could conceivably serve as a space station, or a hotel, or a manufacturing facility. There is also the potential of Starship actually competing with commercial airlines, flying, for example, from New York to Shanghai in 45 minutes.
Clayton Swope, senior fellow at CSIS, also believes Starship could be used for "last-mile delivery... where you could move something in less than an hour, anywhere from a point on Earth to another point on Earth, and you're just kind of using space as that transit point."

There's also defense applications. Defense One notes the U.S. Defense Department uses SpaceX to launch most of its satellites. "With a payload capacity of 100 to 150 tons, Starship could carry a bunch of satellites simultaneously and increase the Space Force's launch rate as it builds out a network of hundreds of satellites in low-Earth orbit." Once Starship is operational, it will be able to put things into higher orbits, which is key for the Pentagon's push to operate in the cislunar environment, the area between the geosynchronous orbit and the moon. "The Chinese have already begun cislunar operations and have put vehicles on the far side of the moon, which is something the U.S. doesn't really have the ability to do right now," said Bryan Clark, a senior fellow at the Hudson Institute.

However, the advantage the U.S. will get with Starship "won't last forever," and it will take years to build satellites specifically designed to take advantage of the rocket's payload capacity, said Todd Harrison, a senior fellow at the American Enterprise Institute. "At this rate, they will have Starship operational this year. We need payloads to go on that, if we're actually going to take advantage of it during this window of opportunity when it's a capability only we have. If you want those payloads available next year, you needed to start building them five years ago," Harrison said.

Starship could be used to put very large objects into space, such as fuel barges or energy stations, at a reasonable cost. "You could use this to put up an orbital bus that you can then put on and remove payloads from, so you can have a satellite on orbit that's basically a large docking station," Clark said... "[I]t could be a way to do that kind of thing where you establish essentially an unmanned, little space station that can carry various payloads."

After the mysterious disappearance of Malaysia Airlines Flight MH370, barnacles offer "a potential breakthrough" in the search for its wreckage, reports WION: These barnacles were discovered clinging to the initial piece of debris conclusively linked to MH370 — a flaperon bearing the distinctive marking "657 BB," which washed ashore on Reunion Island, situated off the coast of Africa, a year following the event...

Scientists now posit that barnacles could provide invaluable insights into solving this mystery. These small creatures offer a unique biological record akin to the growth rings found in trees. Researchers speculate that by deciphering this information, it may be feasible to retrace the barnacles' trajectory along the flaperon, potentially leading investigators to the crash site.
This week the Independent also reported a new theory from a British pilot: Simon Hardy believes that the Malaysian Airlines flight plan and technical log reveal last-minute changes to the cargo including an additional 3,000kg of fuel and extra oxygen that indicate Captain Zaharie Ahmad Shah directed the plane "to oblivion... It's a strange coincidence that the last engineering task that was done before it headed off to oblivion was topping up crew oxygen which is only for the cockpit, not for the cabin crew...."

Hardy also said that the flaperon found on Reunion Island indicates there was an active pilot until the end of the flight: "If the flaps were down, there is a liquid fuel, then someone is moving a lever and it's someone who knows what they are doing. It all points to the same scenario."
In a kind of rebuttal, long-time Slashdot reader Maury Markowitz suggests there's more innocent explanations for the extra fuel and oxygen, arguing that Hardy's theory "sounds like yet more balonium from someone who likes being in the newspapers."

Thanks to Slashdot reader Press2ToContinue for sharing the news.

Pi was calculated to 100 trillion decimal places in 2022 by a Google team lead by cloud developer advocate Emma Haruka Iwao.

But 2024's "pi day" saw a new announcement... After successfully breaking the speed record for calculating pi to 100 trillion digits last year, the team at StorageReview has taken it up a notch, revealing all the numbers of Pi up to 105 trillion digits! Spoiler: the 105 trillionth digit of Pi is 6!

Owner and Editor-in-Chief Brian Beeler led the team that used 36 Solidigm SSDs (nearly a petabyte) for their unprecedented capacity and reliability required to store the calculated digits of Pi. Although there is no practical application for this many digits, the exercise underscores the astounding capabilities of modern hardware and an achievement in computational and storage technology...

For an undertaking of this size, which took 75 days, the role of storage cannot be understated. "For the Pi computation, we're entirely restricted by storage, says Beeler. "Faster CPUs will help accelerate the math, but the limiting factor to many new world records is the amount of local storage in the box. For this run, we're again leveraging Solidigm D5-P5316 30.72TB SSDs to help us get a little over 1P flash in the system.

"These SSDs are the only reason we could break through the prior records and hit 105 trillion Pi digits."
"Leveraging a combination of open-source and proprietary software, the team at StorageReview optimized the algorithmic process to fully exploit the hardware's capabilities, reducing computational time and enhancing efficiency," Beeler says in the announcement.

There's a video on YouTube where the team discusses their effort.

"A pet company has twice sent back dog breed results for human swab samples," reports the Guardian, "prompting doubts surrounding the accuracy of dog breed tests." On Wednesday, WBZ News reported its investigations team receiving dog breed results from the company DNA My Dog after one of its reporters sent in a swab sample — from her own cheek. According to the results from the Toronto-based company, WBZ News reporter Christina Hager is 40% Alaskan malamute, 35% shar-pei and 25% labrador.

Hager also sent her samples to two other pet genetic testing companies. The Melbourne, Australia- and Florida-based company Orivet reported that the sample "failed to provide the data necessary to perform the breed ID analysis". Meanwhile, Washington-based company Wisdom Panel said that the sample "didn't provide ... enough DNA to produce a reliable result"...

The global dog DNA test market, which was valued at $235m in 2022, is projected to grow to $723m by 2030, according to Zion Market Research. The industry's main players include DNA My Dog, Orivet and Wisdom Panel, among others.

But faulty results have cast doubt on the accuracy of the DNA tests.
Thanks to jd (Slashdot reader #1,658) for sharing the article.

"Engineers have sent a 'poke' to the Voyager 1 probe," reports CNN, "and received a potentially encouraging response..."

"A new signal recently received from the spacecraft suggests that the NASA mission team may be making progress in its quest to understand what Voyager 1 is experiencing..." [T]hey hope to fix a communication issue with the aging spacecraft that has persisted for five months. Launched in 1977, Voyager 1 and its twin, Voyager 2, are venturing through uncharted cosmic territory along the outer reaches of the solar system. While Voyager 1 has continued to relay a steady radio signal to its mission control team on Earth, that signal has not carried any usable data since November, which has pointed to an issue with one of the spacecraft's three onboard computers...

On March 3, the team noticed that activity from one part of the flight data system stood out from the rest of the garbled data. While the signal wasn't in the format the Voyager team is used to when the flight data system is functioning as expected, an engineer with NASA's Deep Space Network was able to decode it... The decoded signal included a readout of the entire flight data system's memory, according to an update NASA shared.

"The (flight data system) memory includes its code, or instructions for what to do, as well as variables, or values used in the code that can change based on commands or the spacecraft's status," according to a NASA blog post. "It also contains science or engineering data for downlink. The team will compare this readout to the one that came down before the issue arose and look for discrepancies in the code and the variables to potentially find the source of the ongoing issue."
"The source of the issue appears to be with one of three onboard computers, the flight data subsystem (FDS), which is responsible for packaging the science and engineering data before it's sent to Earth," according to NASA's statement.

CNN reminds readers that Voyager 1 "is currently the farthest spacecraft from Earth at about 15 billion miles (24 billion kilometers) away." Both Voyager 1 and Voyager 2 are now in interstellar space.

Thanks to Slashdot reader Thelasko for sharing the news.

The Washington Post reports: Nearly a decade ago, Congress passed a law that allows private American space companies the rights to resources they mine on celestial bodies, including the moon.

Now, there's a private venture that says it intends to do just that.

Founded by a pair of former executives from Blue Origin, the space venture founded by Jeff Bezos, and an Apollo astronaut, the company, Interlune, announced itself publicly Wednesday by saying it has raised $18 million and is developing the technology to harvest and bring materials back from the moon... Specifically, Interlune is focused on Helium-3, a stable isotope that is scarce on Earth but plentiful on the moon and could be used as fuel in nuclear fusion reactors as well as helping power the quantum computing industry.

The company, based in Seattle, has been working for about four years on the technology, which comes as the commercial sector is working with NASA on its goal of building an enduring presence on and around the moon... Rob Meyerson, the former president of Blue Origin, co-founded Interlune with Gary Lai, another former executive at Blue, and Harrison Schmitt, a geologist who flew to the moon during Apollo 17... In an interview, Meyerson said that the company intends to be the first to collect, return and then sell lunar resources and test the 2015 law. There is a large demand for Helium-3 in the quantum computing industry, which requires some of its systems to operate in extremely cold temperatures, and Interlune has already lined up a "customer that wants to buy lunar resources in large quantities," he said.

"We intend to be the first to go commercialize and deliver and support those customers," he said. NASA might want to be a customer as well. In 2020, it said it was looking for companies to collect rocks and dirt from the lunar surface and sell them to NASA as part of a technology development program that would eventually help astronauts "live off the land...." The company's funding round was led by the venture capital firm Seven Seven Six, whose founder and general partner, Alexis Ohanian, said that the space sector has become far more appealing to investors. "The space economy is something we can actually talk about with a straight face now, and I think some of the smartest people on the planet are making those efforts," he said...

He said he was aware that it might take years, or longer for a moon mining business to make money. But he said that, "we're comfortable waiting for a decade plus to see those returns."
NASA is planning more missions like the Intuitive Machines landing earlier this year, according to the article, "which it says will not only help pave the way for humans to return to the moon but for private industry to begin commercial operations there as well." Interlune plans "a prospecting machine" as soon as 2026, followed by an "end-to-end demonstration" in 2028 that harvests and returns a small quanity of Helium-3, and then full-scale operations by 2030.

"China has also said that it is interested in extracting other resources, including Helium-3, which it said was present in a sample it returned from the moon in 2020."

With funding from NASA, researchers from Villanova University have obtained a never-before-seen view of the central engine at the heart of our galaxy. Space.com reports: The new map of this central region of the Milky Way, which took four years to assemble, reveals the relationship between magnetic fields at the heart of our galaxy and the cold dust structures that dwell there. This dust forms the building blocks of stars, planets, and, ultimately, life as we know it. The central engine of the Milky Way drives this process. That means a clearer picture of dust and magnetic interactions builds a better understanding of the Milky Way and our place within it. The team's findings also have implications beyond our galaxy, offering glimpses of how dust and magnetic fields interact in the central engines of other galaxies.

"The center of the Milky Way and most of the space between stars is filled with a lot of dust, and this is important for our galaxy's life cycle," David Chuss, research team leader and a physics professor at Villanova University, told Space.com. "What we looked at was light emitted from these cool dust grains produced by heavy elements forged in stars and dispersed when those stars die and explode." [...] Chuss and colleagues received funding from NASA to investigate this dusty central zone using the Stratospheric Observatory for Infrared Astronomy (SOFIA), which was a telescope that circled the globe at an altitude of 45,000 feet (13,716 meters) aboard a Boeing 747 plane. The project's Far-Infrared Polarimetric Large Area CMZ Exploration (FIREPLACE) created an infrared map that spans around 500 light-years across the center of the Milky Way over nine flights. Using measurements of the polarization of the radiation emitted from dust that is aligned with magnetic fields, the intricate structure of those magnetic fields themselves was inferred by the team. This was then overlaid onto a three-color map that shows warm dust with a pink hue and cool dust clouds in blue. The image also shows radio-wave-emitting filaments in yellow.

"This is a journey, not a destination, but what we've found is this is a very complicated thing. The directions of the magnetic field vary all across the clouds at the center of the Milky Way," Chuss explained. "This is the first step in trying to figure out how the field that we see in the radiowaves across these large organized filaments may relate to the rest of the dynamics of the center of the Milky Way." Chuss explained that this complicated picture of magnetic fields was something that he and the FIREPLACE team had expected to see with the new SOFIA map; the observations agreed with smaller-scale infrared and radio wave observations previously made of the heart of the Milky Way. Where this new map, however, really comes into its own is the sheer scale. It manages to reveal some never-before mapped regions. The fine detail woven into it is stunning as well. A preprint version of the SOFIA data is available on arXiv.

Scientists have discovered a giant volcano on Mars, as well as a possible sheet of buried glacier ice near the planet's equator. Phys.Org reports: Imaged repeatedly by orbiting spacecraft around Mars since Mariner 9 in 1971 -- but deeply eroded beyond easy recognition, the giant volcano had been hiding in plain sight for decades in one of Mars' most iconic regions, at the boundary between the heavily fractured maze-like Noctis Labyrinthus (Labyrinth of the Night) and the monumental canyons of Valles Marineris (Valleys of Mariner). Provisionally designated "Noctis volcano" pending an official name, the structure is centered at 7 degrees 35' S, 93 degrees 55' W. It reaches +9022 meters (29,600 feet) in elevation and spans 450 kilometers (280 miles) in width. The volcano's gigantic size and complex modification history indicate that it has been active for a very long time. In its southeastern part lies a thin, recent volcanic deposit beneath which glacier ice is likely still present. This combined giant volcano and possible glacier ice discovery is significant, as it points to an exciting new location to study Mars' geologic evolution through time, search for life, and explore with robots and humans in the future. The announcement was made at the 55th Lunar and Planetary Science Conference in The Woodlands, Texas. You can read more about it here (PDF).

Sheraz Sadiq reports via Oregon Public Broadcasting: An area that's nearly half the size of New Jersey in southern Oregon was recently named the world's largest dark sky sanctuary by DarkSky International. The nonprofit works to combat light pollution through advocacy and conservation, including a program that has certified more than 200 places around the world to protect the night sky. The Oregon Outback International Dark Sky Sanctuary spans 2.5 million acres of mostly public land in eastern Lake County, and could eventually grow to more than four times that size to include parts of Harney and Malheur Counties. To win certification as a Dark Sky Sanctuary, the applicants had to work with numerous stakeholders to draw the site's boundaries, monitor night sky quality, inventory outdoor lights and replace more than 60 lights on public and private lands. With the inclusion of parts of Harney and Malheur Counties, the sanctuary would surpass 11 million acres, notes KLCC. More than half of the area is under the control of the U.S. Bureau of Land Management.

sixoh1 writes: On the third attempt, SpaceX's Super Heavy booster lofted the Starship vehicle to space on a sub-orbital parabolic trajectory. The test was successful for nearly all of the objectives, including payload delivery functions on Starship that will be used for Starlink deployment and in-space fuel transfers. Unfortunately the booster did not soft-land, and the Starship vehicle was destroyed during re-entry, likely due to unspecified issues with re-starting the Raptor engine and then maintaining attitude control during re-entry. You can watch Starship's third flight test here.

An anonymous reader quotes a report from the BBC: The polio survivor known as "the man in the iron lung" has died at the age of 78. Paul Alexander contracted polio in 1952 when he was six, leaving him paralyzed from the neck down. The disease left him unable to breathe independently, leading doctors to place him in the metal cylinder, where he would spend the rest of his life. He would go on to earn a law degree -- and practice law -- as well as publish a memoir. [...] In 1952, when he became ill, doctors in his hometown of Dallas operated on him, saving his life. But polio meant his body was no longer able to breathe on his own. The answer was to place him in a so-called iron lung — a metal cylinder enclosing his body up to his neck.

The lung, which he called his "old iron horse," allowed him to breathe. Bellows sucked air out of the cylinder, forcing his lungs to expand and take in air. When the air was let back in, the same process in reverse made his lungs deflate. After years, Alexander eventually learned to breathe by himself so that he was able to leave the lung for short periods of time. Like most polio survivors placed in iron lungs, he was not expected to survive long. But he lived for decades, long after the invention of the polio vaccine in the 1950s all but eradicated the disease in the Western world. [...] Advances in medicine made iron lungs obsolete by the 1960s, replaced by ventilators. But Alexander kept living in the cylinder because, he said, he was used to it. He was recognized by Guinness World Records as the person who lived the longest in an iron lung.

The FAA today awarded a launch license to SpaceX for Starship's third-ever test flight on March 14. "The FAA determined SpaceX met all safety, environmental, policy and financial responsibility requirements," the agency wrote in a post on X this afternoon. Space.com reports: The megarocket has two test flights under its belt so far, which took place in April and November of last year. Starship's two stages failed to separate as planned on the April flight, however, which ended after just four minutes. Things went better in November -- stage separation occurred as planned, for example -- but both stages ended up exploding high in the sky on that mission as well. The FAA wrapped up its investigation into what happened on the November flight late last month. But the agency took some additional time before awarding a license for launch number three today.

Thursday's flight will be different, and bolder, than its predecessors. "The third flight test aims to build on what we've learned from previous flights while attempting a number of ambitious objectives, including the successful ascent burn of both stages, opening and closing Starship's payload door, a propellant transfer demonstration during the upper stage's coast phase, the first ever re-light of a Raptor engine while in space, and a controlled reentry of Starship," SpaceX wrote in a mission description. In addition, Thursday's test launch will aim to bring Starship's upper stage down in the Indian Ocean. The target splashdown zone for the first two test missions, by contrast, was the Pacific Ocean near Hawaii.