An unusual chunk in a meteorite may contain a surprising bit of space history. Presolar grains — tiny bits of solid interstellar material formed before the sun was born — …read more Source:: Science
Tag: evidence
Solving a biological puzzle: How stress causes gray hair
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•Scientists have found evidence to support long-standing anecdotes that stress causes hair graying. Researchers found that in mice, the type of nerve involved in the fight-or-flight response causes permanent damage …read more Source:: Science
Billions of quantum entangled electrons found in ‘strange metal’
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•Physicists have observed quantum entanglement among ‘billions of billions’ of flowing electrons in a quantum critical material. The research provides the strongest direct evidence to date of entanglement’s role in …read more Source:: Science
‘Living fossil’ may upend basic tenet of evolutionary theory
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•A research team has discovered the first conclusive evidence that selection may also occur at the level of the epigenome — a term that refers to an assortment of chemical …read more Source:: Science
Meteorite contains the oldest material on Earth: 7-billion-year-old stardust
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•Scientists have discovered the oldest solid material on Earth: 7-billion-year-old stardust trapped inside a meteorite. This stardust provides evidence for a ‘baby boom’ of new stars that formed 7 billion …read more Source:: Science
Specific neurons that map memories now identified in the human brain
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•Neuroengineers have found the first evidence that individual neurons in the human brain target specific memories during recall. They studied recordings in neurosurgical patients who had electrodes implanted in their …read more Source:: Science
Prehistoric humans ate bone marrow like canned soup 400,000 years ago
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•Researchers have uncovered evidence of the storage and delayed consumption of animal bone marrow at Qesem Cave near Tel Aviv. The research provides direct evidence that early Paleolithic people saved …read more Source:: Science
Aspirin may halve air pollution harms
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•A new study is the first to report evidence that nonsteroidal anti-inflammatory drugs (NSAIDs) like aspirin may lessen the adverse effects of air pollution exposure on lung function. The researchers …read more Source:: Science
Open source has never been stronger
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•By Matt Asay There has perhaps never been so much angst over whether open source software development is sustainable, and yet there has never been clearer evidence that we’re in the golden age …read more Source:: OpenSource
Insects feel persistent pain after injury, evidence suggests
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•Scientists have known insects experience something like pain, but new research provides compelling evidence suggesting that insects also experience chronic pain that lasts long after an initial injury has healed. …read more Source:: Science