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Science

The Lepsis Is a Terrarium For Growing Edible Insects At Home 184

An anonymous reader writes "A recent UN report suggested that people should be eating more insects, because they're much less harmful to the environment that traditional meat. In response, designer Mansour Ourasanah has created the Lepsis, a small insect breeder that could be used to grow and harvest grasshoppers in urban homes."
Biotech

Reversible Male Contraception With Gold Nanorods 160

MTorrice writes "Men's options for birth control have significant downsides: Condoms are not as effective as hormonal methods for women, and vasectomies require surgery and are irreversible. Doctors and scientists have for decades searched for more effective and desirable male contraception techniques. Researchers in China now propose a nonsurgical, reversible, and low-cost method. They show that infrared laser light heats up gold nanorods injected into mice testes, leading to reduced fertility (abstract) in the animals."
Science

Chemists Build App That Could Identify Cheap Replacements For Luxury Wines 206

schliz writes "Australian startup Wine Cue is combining the chemical composition of wines with customer ratings for what it hopes to be a more objective wine recommendation engine than existing systems that are based on historical transactions. The technology is likely to reach the market as a smartphone app, and could be used to identify cheap alternatives to expensive bottles."
Earth

Scientists Explain Why Chairman of House Committee On Science Is Wrong 476

Lasrick writes "Michael Oppenheimer and Kevin Trenberth take apart Rep. Lamar Smith's (R-Tex.) Washington Post op/ed on climate science saying: 'Contrary to Smith's assertions, there is conclusive evidence that climate change worsened the damage caused by Superstorm Sandy. Sea levels in New York City harbors have risen by more than a foot since the beginning of the 20th century. Had the storm surge not been riding on higher seas, there would have been less flooding and less damage. Warmer air also allows storms such as Sandy to hold more moisture and dump more rainfall, exacerbating flooding.'"
Science

Phenomenon Discovered In Ultracold Atoms Brings Us a Step Closer To Atomtronics 42

An anonymous reader writes "A new phenomenon discovered in ultracold atoms of a Bose-Einstein condensate (BEC) could offer new insight into the quantum mechanical world and be a step toward applications in 'atomtronics'—the use of ultracold atoms as circuit components. Researchers at the National Institute of Standards and Technology have reported the first observation of the 'spin Hall effect' in a cloud of ultracold atoms, acting as a single quantum object and then called BEC, the lowest state of matter, with solid and liquid coming next. As one consequence, the researchers made the atoms, which spin like a child's top, skew to one side or the other, by an amount dependent on the spin direction."
Mars

NASA's "Opportunity" Rover Finds New Evidence For Once-Habitable Mars 40

nedko.m writes "NASA's Mars rover 'Opportunity' found clay minerals in an ancient rock on the rim of the Endeavour Crater on Mars. The discovery suggests that neutral-pH water — slightly salty, and neither too acidic nor too alkaline for life — once flowed through the area, probably during the first billion years of Martian history. Opportunity's latest discovery fits well with one made recently on the other side of the planet by the rover's bigger, younger cousin Curiosity, which found strong evidence that its landing site could have supported microbial life in the ancient past. Such observations could help scientists map out Mars' transition from a relatively warm and wet world long ago to the cold and dry planet we know today"
Earth

Asteroid Passes (Just) 65,000 Miles From Earth 96

An anonymous reader writes "Discovered a day before its closest approach to Earth, Asteroid 2013 LR6 came within roughly 65,000 miles of the planet as it flew over the Southern Ocean of Tasmania, Australia at 12:42 a.m. EDT on June 8. Despite being more than half the size of the one that exploded over Chelyabinsk, Russia in February, the 30-foot-wide asteroid posed no threat, according to NASA."
Earth

Northern Hemisphere Pollution a Cause of '80s Africa Drought 158

vinces99 writes "Decades of drought in central Africa reached their worst point in the 1980s, causing Lake Chad, a shallow lake used to water crops in neighboring countries, to almost dry out completely. The shrinking lake and prolonged drought were initially blamed on overgrazing and bad agricultural practices. More recently, Lake Chad became an example of global warming. But new University of Washington research shows the drought was caused at least in part by Northern Hemisphere air pollution. Particles from coal-burning factories in the United States and Europe during the 1960s, '70s and '80s cooled the entire Northern Hemisphere, shifting tropical rain bands south. That meant that rains no longer reached the Sahel region, a band that spans the African continent just below the Sahara desert."
Science

Fear of Death Makes People Into Believers (of Science) 434

sciencehabit writes "Nothing, some say, turns an atheist into a believer like the fear of death. 'There are no atheists in foxholes,' the saying goes. But a new study suggests that people in stressful situations don't always turn to a higher power. Sometimes, they turn to science. Both athletes preparing for a big race and students asked to write about their own death showed a 15% stronger belief in science than those under less stressful situations (abstract). 'In stressful situations people are likely to turn to whatever worldviews and beliefs are most meaningful to them,' says study co-author, Anna-Kaisa Newheiser, a psychologist at Yale University. And many people find the scientific worldview more compatible with their own."
Science

Atomic Bombs Help Solve Brain Mystery 59

sciencehabit writes "The mushroom clouds produced by more than 500 nuclear bomb tests during the Cold War may have had a silver lining, after all. More than 50 years later, scientists have found a way to use radioactive carbon isotopes released into the atmosphere by nuclear testing to settle a long-standing debate in neuroscience: Does the adult human brain produce new neurons? After working to hone their technique for more than a decade, the researchers report that a small region of the human brain involved in memory makes new neurons throughout our lives — a continuous process of self-renewal that may aid learning."
Science

ROVs Discover Deep Sea Trash 82

An anonymous reader writes "Deep beneath the ocean's waves, strange creatures such as rockfish and gorgonian coral thrive in the icy depths. Yet there's something else you'll find if you go searching beneath the sea: trash, and lots of it. Researchers have discovered that our trash is accumulating in the deep sea, particularly in Monterey Canyon off of the coast of California. Scientists knew that trash was affecting shallower depths--about 1,000 feet beneath the water. Yet they were unsure whether the effects extended to the truly deep parts of the ocean that reached up to 13,000 feet. They decided that there was only one way to find out: look for themselves."
Medicine

World's Oldest Tumor Found In a Neanderthal Bone 46

First time accepted submitter minty3 writes "A fibrous dysplasia tumor has been found in the bone of a Neanderthal that is more than 120,000 years old. The world's oldest tumor in a Neanderthal rib was part of a collection of bones, which were excavated more than 100 years ago from a site in Krapina, Croatia. They were X-rayed in the 1980s, and initially didn't reveal the tumor. It was only when scientists took a closer look at a radiograph where a rib fragment appeared to be 'burned out' did they return to the rib and subject it to higher quality scans."
Math

Banker Offers $1M To Solve Beal Conjecture 216

oxide7 writes "A Texas banker with a knack for numbers has offered $1 million for anyone who can solve a complex math equation that has stumped mathematicians since the 1980s. The Beal Conjecture states that the only solutions to the equation A^x + B^y = C^z, when A, B and C are positive integers, and x, y and z are positive integers greater than two, are those in which A, B and C have a common factor. Like most number theories, it's "easy to say but extremely difficult to prove.""
Science

Lizard Named For Jim Morrison 50

ColdWetDog writes "The LA Times has a quick article on a newly named giant lizard: 'An ancient plant eating lizard that looked like an iguana but was closer in size to a German shepherd has been named after Jim Morrison, the late troubled and charismatic lead singer of the Doors.The lizard's name was chosen by Jason Head, a paleontologist at the University of Nebraska-Lincoln and a hard-core Doors fan since college.' Hunter S. Thompson, who hallucinated presumably somewhat more carnivorous lounge lizards, was also considered for the honor."
NASA

NASA Teams With LEGO To Offer Model Competition 34

coondoggie writes "NASA today said it would team up with Lego to offer a competition to see who can build the coolest models of future airplanes and spacecraft. The 'NASA's Missions: Imagine and Build' competition is open now with an entry deadline of July 31. Winners in each category will be selected by a panel of NASA and LEGO officials and announced Sept. 1."
Japan

Japan's Radiation Disaster Toll: None Dead, None Sick 319

An anonymous reader writes "This article discusses a recently-released U.N. Scientific Committee report which examined the health effects of the accident at the Fukushima nuclear plant. Their conclusion: 'Radiation exposure following the nuclear accident at Fukushima-Daiichi did not cause any immediate health effects. It is unlikely to be able to attribute any health effects in the future among the general public and the vast majority of workers. ... No radiation-related deaths or acute effects have been observed among nearly 25,000 workers involved at the accident site. Given the small number of highly exposed workers, it is unlikely that excess cases of thyroid cancer due to radiation exposure would be detectable.' The article even sums up the exposure levels for the workers who were closest to the reactor: 'Of 167 exposed to more than the industry's recommended five-year limit of 100 mSv (a CT scan exposes patients to up to 10 mSv), 23 recorded 150-200 mSv, three 200-250 mSv and six up to 678 mSv, still short of the 1000 mSv single dosage that causes radiation sickness, or the accumulated exposure estimated to cause a fatal cancer years later in 5 per cent of people.' The report also highlights the minute effect it's had on the environment: 'The exposures on both marine and terrestrial non-human biota were too low for observable acute effects.'"
Communications

Temporal Cloak Erases Data From History 102

ananyo writes "Electrical engineers have used lasers to create a cloak that can hide communications in a 'time hole', so that it seems as if they were never sent. The method is the first that can cloak data streams sent at the rapid rates typically seen in telecommunications systems. It opens the door to ultra-secure transmission schemes, and may also provide a way to better shield information from noise corruption (abstract). The researchers manipulated laser light in time to create regular periods with zero light intensity (a Talbot carpet) in which to hide data. Unfortunately, the current set up erases the data-adding event entirely from history. Though they are confident that future modifications will allow them, or others, to send secret messages successfully, the more immediate use of the technology will be to cut down crosstalk when multiple data streams share the same fibre." Also at Slash Datacenter.
Biotech

GM Crop Producer Monsanto Using Data Analytics To Expand Its Footprint 128

Nerval's Lobster writes "Monsanto is more infamous for growing its genetically modified crops than its use of software, but a series of corporate acquisitions and a new emphasis on tech solutions has transformed it into a firm that acts more like an innovative IT vendor than an agribusiness giant. Jim McCarter (the Entrepreneur in Residence for Monsanto) recently detailed for an audience in St. Louis how the company's IT efforts are expanding. Monsanto's core projects generate huge amounts of bits, especially its genomic efforts, which are the focus of so much public attention. Other big data gobblers are the phenotypes of millions of DNA structures that describe the various biological properties of each plant, and the photographic imagery of crop fields. (All told, there are several tens of petabytes that need storage and analysis, a number that's doubling roughly every 16 months.) With all that tech muscle, the company has launched IT-based initiatives such as its FieldScripts software, which uses proprietary algorithms (fed with data from the FieldScripts Testing Network and Monsanto research) to recommend where to best plant corn hybrids. 'Just like Amazon has its recommendation engine for what book to buy, we will have our recommendations of what and how a grower should plant a particular crop,' said McCarter. 'All fields aren't uniform and shouldn't be planted uniformly either.' Despite its increasingly sophisticated use of data analytics in the name of greater crop yields, however, Monsanto faces pushback from various groups with an aversion to genetically modified food; a current ballot initiative in Washington State, for example, could result in genetically modified foods needing a label in order to go on sale here. The company has also inspired a 'March Against Monsanto,' which has been much in the news lately."
Earth

Cometary Impacts May Have Provided Key Elements of Life 85

trendspotter writes with news of research indicating that impact events might be responsible for seeding the Earth with reactive forms of the precursors to amino acids. From the article: "Early Earth was not very hospitable when it came to jump starting life. In fact, new research shows that life on Earth may have come from out of this world. Lawrence Livermore scientist Nir Goldman and University of Ontario Institute of Technology colleague Isaac Tamblyn (a former LLNL postdoc) found that icy comets that crashed into Earth millions of years ago could have produced life building organic compounds, including the building blocks of proteins and nucleobases pairs of DNA and RNA. Comets contain a variety of simple molecules, such as water, ammonia, methanol and carbon dioxide, and an impact event with a planetary surface would provide an abundant supply of energy to drive chemical reactions." The paper (PDF).
Input Devices

Quadcopter Guided By Thought — Accurately 79

ananyo writes "A toy quadcopter can be steered through an obstacle course by thought alone. The aircraft's pilot operates it remotely using a cap of electrodes to detect brainwaves that are translated into commands. Ultimately, the developers of the mind-controlled copter hope to adapt their technology for directing artificial robotic limbs and other medical devices." From the paper (PDF) abstract: "... we report a novel experiment of BCI controlling a robotic quadcopter in three-dimensional (3D) physical space using noninvasive scalp electroencephalogram (EEG) in human subjects. We then quantify the performance of this system using metrics suitable for asynchronous BCI. Lastly, we examine the impact that the operation of a real world device has on subjects’ control in comparison to a 2D virtual cursor task. Approach. ... Individual subjects were able to accurately acquire up to 90.5% of all valid targets presented while traveling at an average straight-line speed of 0.69 m s^(1)." This also appears to be the first time a Brain-Computer Interface was used to operate a flying device in 3D space. Also, there are several additional videos showing people operating the quadcopter.

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