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Earth

Humans Not Solely To Blame For Passenger Pigeon Extinction 53

Posted by samzenpus from the who's-to-blame dept.
sciencehabit (1205606) writes When the last passenger pigeon died at a zoo in 1914, the species became a cautionary tale of the dramatic impact humans can have on the world. But a new study finds that the bird experienced multiple population booms and crashes over the million years before its final demise. The sensitivity of the population to natural fluctuations, the authors argue, could have been what made it so vulnerable to extinction.
Medicine

Artificial Pancreas Shows Promise In Diabetes Test 75

Posted by samzenpus from the no-more-needles dept.
An anonymous reader writes A cure for Type 1 diabetes is still far from sight, but new research suggests an artificial "bionic pancreas" holds promise for making it much more easily manageable. From the article: "Currently about one-third of people with Type 1 diabetes rely on insulin pumps to regulate blood sugar. They eliminate the need for injections and can be programmed to mimic the natural release of insulin by dispensing small doses regularly. But these pumps do not automatically adjust to the patient's variable insulin needs, and they do not dispense glucagon. The new device, described in a report in The New England Journal of Medicine, dispenses both hormones, and it does so with little intervention from the patient."
Science

New Sensor To Detect Food-Borne Bacteria On Site 10

Posted by samzenpus from the just-eat-it dept.
Zothecula (1870348) writes According to the CDC, around 48 million people in the US get sick, 128,000 are hospitalized, and 3,000 die as a result of foodborne illnesses every year. One of the main culprits is listeriosis (or listeria), which is responsible for approximately 1,600 illnesses and 260 deaths. Now researchers at the University of Southampton are using a device designed to detect the most common cause of listeriosis directly on food preparation surfaces, without the need to send samples away for laboratory testing.
Biotech

"Super Bananas" May Save Millions of Lives In Africa 396

Posted by samzenpus from the a-banana-a-day dept.
schwit1 (797399) writes "A super-enriched genetically engineered banana will soon go through its first human trial, which will test its effect on vitamin A levels, Australian researchers said Monday. The project plans to have the special banana varieties — enriched with alpha and beta carotene which the body converts to vitamin A — growing in Uganda by 2020. The bananas are now being sent to the United States, and it is expected that the six-week trial measuring how well they lift vitamin A levels in humans will begin soon."
Space

NASA's Horizons Spacecraft To Probe Pluto Moon For Underground Ocean 47

Posted by samzenpus from the finding-water dept.
An anonymous reader writes NASA's New Horizons spacecraft is moving towards Pluto to explore Charon, one of Pluto's moons. The aim of the mission is to search of evidence of an ancient underground ocean on the moon. "Our model predicts different fracture patterns on the surface of Charon depending on the thickness of its surface ice, the structure of the moon's interior and how easily it deforms, and how its orbit evolved," said Alyssa Rhoden of NASA's Goddard Space Flight Center. "By comparing the actual New Horizons observations of Charon to the various predictions, we can see what fits best and discover if Charon could have had a subsurface ocean in its past, driven by high eccentricity."
Moon

Why the Moon's New Birthday Means the Earth Is Older Than We Thought 98

Posted by timothy from the just-measure-the-depth-of-the-mold dept.
Daniel_Stuckey (2647775) writes You're likely familiar with the theory of how the Moon formed: a stray body smashed into our young Earth, heating the planet and flinging debris into its orbit. That debris coalesced and formed the Moon. The impact theory still holds, but a team of geochemists from the University of Lorraine in Nancy, France has refined the date, finding that the Moon is about 60 million years older than we thought. As it turns out, that also means the Earth is 60 million years older than previously thought, which is a particularly cool finding considering just how hard it is to estimate the age of our planet.
Bitcoin

Bitcoin Security Endangered By Powerful Mining Pool 281

Posted by timothy from the cornering-the-market dept.
An anonymous reader writes Ars Technica reports that for the first time in Bitcoin's five-year history, a single entity has repeatedly provided more than half of the total computational power required to mine new digital coins, in some cases for sustained periods of time. It's an event that, if it persists, signals the end of crypto currency's decentralized structure."

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