| 栏目广告位一 |
科学美国人60秒: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
科学美国人2016-11-29-
科学美国人60秒: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.
科学美国人2016-11-24
"I -
科学美国人60秒: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
科学美国人2016-11-23 -
科学美国人60秒: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
科学美国人2016-11-21 -
科学美国人60秒: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 conviction
科学美国人2016-11-21 -
科学美国人60秒: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 2
科学美国人2016-11-17 -
科学美国人60秒: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 li
科学美国人2016-11-15 -
科学美国人60秒:Small-Brained Birds More Likely to Get Shot
The old expression “bird brain,” referring to a small or inadequate brain size—it’s not all that accurate. Take crows, for example, and other corvids, like
科学美国人2016-11-10 -
科学美国人60秒:Online Sociality Linked to Lower Death Risk
Exercise and healthful eating are linked to better health—and so is having a decent circle of friends. Now it looks like that link between friends and better health is true f
科学美国人2016-11-08 -
科学美国人60秒:Bookish Mobsters Made Better Bookies
Turns out, education pays off. That’s true whether you’re a doctor or a lawyer—or even a mobster, according to a new study.
科学美国人2016-11-07
Researchers compared the FBI files o -
科学美国人60秒:For River Otters, Social Life Is Shaped by the Latrine
River otters, like other social animals, have to carefully weigh the costs and benefits of hanging out in large groups. A big group makes it easier to catch fish, which seems like
科学美国人2016-11-01 -
科学美国人60秒:Falcons Patrol Fruit Fields for Pesky Invasive Birds
Washington state is the country’s largest producer of cherries and blueberries. The state’s wine industry is second only to California’s in value. But one non-nat
科学美国人2016-10-28 -
科学美国人60秒:Clark Kent's Glasses Aided His Anonymity
Ever wonder how the citizens of Metropolis somehow could not recognize Clark Kent once he ditched the glasses and became Superman? Well, now there’s an actual scientific expl
科学美国人2016-10-27 -
科学美国人60秒:Poor Sleepers Worse at Recognizing Unfamiliar Faces
Standing in line at passport control isn't the most relaxing experience. The officer looks at your passport… at you… back at your passport… back at you. Kind
科学美国人2016-10-25 -
科学美国人60秒:Yawns Help the Brain Keep Its Cool
Not many scientific studies begin like this: "Many hours of watching YouTube clips. Trying to find as many yawns as possible." But for Andrew Gallup, an evolutionary psychologist w
科学美国人2016-10-20 -
科学美国人60秒:Polar Bears Can't Just Switch to Terrestrial Food
When the Arctic Ocean freezes over in the autumn, polar bears set off in search of their favorite meals: fatty ringed seals and bearded seals. By the summer, the sea ice begins to
科学美国人2016-10-19 -
科学美国人60秒:Flowers Deceive Flies with Chemical Cocktail
Honeybee stings are painful. But they're also… fragrant. "If a beekeeper gets stung by bees, it smells like banana." Dr. Stefan Dötterl, a plant ecologist at the Unive
科学美国人2016-10-17 -
科学美国人60秒:Feed Microbes Oxygen to Help Clear Spilled Oil
On June 3rd, a train loaded with highly volatile crude oil derailed just outside the small town of Mosier in Oregon’s Columbia River Valley. More than 40,000 gallons of crude
科学美国人2016-10-14 -
科学美国人60秒:Future Wet Suits Otter Be Warmer
Whales, seals and walruses stay warm in chilly water because they have a thick layer of blubber. We humans rely on something like blubber—neoprene rubber wet suits—to s
科学美国人2016-10-14 -
科学美国人60秒:Elephant Footprints Become Tiny Critter Havens
Imagine a world without elephants. Not only would we have lost one of the planet’s most charismatic, extraordinary creatures. Also gone would be a network of ecosystem engine
科学美国人2016-10-13 -
科学美国人60秒:Future Wetsuits Otter Be Warmer
Whales, seals and walruses stay warm in chilly water because they have a thick layer of blubber. We humans rely on something like blubber—neoprene rubber wetsuits—to sp
科学美国人2016-10-12 -
科学美国人60秒:Gender Influences Recommendations for Science Jobs
As in many other fields, gender bias pervades the sciences. Men score higher starting salaries, have more mentoring, and have better odds of being hired. Studies show they’re
科学美国人2016-10-11 -
科学美国人60秒:Big Earthquakes May Be More Likely During New and Full Moons
Every two weeks, on the full and new moons, the sun, moon and Earth fall along a nearly straight line. The combination of gravitational forces in this arrangement creates large swi
科学美国人2016-09-29 -
科学美国人60秒:Clever Ants Have Backup Navigation Systems
Make a left at the big oak tree about a mile down the road. That kind of direction is common in landcapes filled with visual cues. But the Sahara desert is a much tougher place to
科学美国人2016-09-28 -
科学美国人60秒:Ancient Biblical Scroll Gets Read While Wrapped
In the 1970s, researchers unearthing an ancient synagogue at Ein Gedi, near the Dead Sea, discovered the structure’s Holy Ark—the container in which early Jews would ha
科学美国人2016-09-26
| 栏目广告位二 |
手机网站