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科学美国人60秒 SSS Online Sociality Linked to Lower Death Risk
Exercise and healthful eating are linked to better healthand so is having a decent circle of friends. Now it looks like that link between friends and better health is true for the major online social network, too: Facebook. Researchers compared the h
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科学美国人60秒 SSS Small-Brained Birds More Likely to Get Shot
The old expression bird brain, referring to a small or inadequate brain sizeits not all that accurate. Take crows, for example, and other corvids, like jays and magpies. Many corvids have relatively large brains for their body size, and can do amazin
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科学美国人60秒 SSS Orangutan Picks Cocktail by Seeing Ingredients
Imagine you had never tasted lemonade. You would still probably assume that lemon juice mixed with sugar tastes better than lemon juice alone. Because you know what lemons taste like, and you know what sugar tastes like. You can recall those past exp
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科学美国人60秒 SSS Ebola Virus Grew More Infectious in the Latest Epidemic
Ebola outbreaks before the most recent one have been fairly contained: geographically limited, and just a couple hundred cases. The latest outbreak, though, which started in late 2013 and lasted more than two years, was entirely different. There were
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科学美国人60秒 SSS NIH Director Looks at Presidential Transition
As somebody who is part of the executive branch and serving in this role which I can consider to be a great privilege, as director of NIH, I am confident that the convictions that are held by many Americans and by most members of the Congress, that b
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科学美国人60秒 SSS Police Body Cameras Appear to Moderate Interactions with Civilians
The last few years have seen numerous widely publicized incidents of civilians, black men in particular, being killed by police. In response, many officers are now required to wear body cameras. The theory is that technology will lessen the likelihoo
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科学美国人60秒 SSS DNA Samples Find a Lot of Fish in the Sea
The way we sample much of the world's oceans, to see what's living down there, is pretty basic: Ask fishermen. Or just stick a net down there, and examine what we catch. Neither method is ideal. Because you basically catch the fish and kill them. Phi
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科学美国人60秒 SSS Forest Die-Offs Alter Global Climate 'Like El Nino'
Climate change may be partly to blame for the massive die-off of pine trees in the western U.S. But it works the other way, too: forest die-offs can alter the global climate. I like thinking of this as a parallel to something like El Nino. Abigail Sw
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科学美国人60秒 SSS High Fiber Diet Keeps Intestinal Walls Intact
Your nose may be the first place you think of as a source of mucus. But mucus is a major player in your gut, too. There's antimicrobial peptides and proteins that are present in there. Bacteria live in there and forage on the carbohydrates. And it's
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科学美国人60秒 SSS We Now Live in the Unnatural World
The Unnatural World is the title of a new book by former Scientific American environment editor David Biello. The subtitle: The Race to Remake Civilization in Earths Newest Age. And that age has been dubbed the Anthropocenein which humanity (anthro)
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科学美国人60秒 SSS Toll-Free Number Stems Human–Wildlife Conflicts
I have now worked in seven states across India, and weve looked at human-wildlife interactions, particularly human-wildlife conflict ranging from crop loss, livestock predation, human death, human injury and property damage. Krithi Karanth, a Wildlif
