科学美国人60秒 SSS 2016-3-22

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科学美国人60秒 SSS 2016-3-23

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科学美国人60秒 SSS 2016-3-24

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情感美文:Because of His Love因爱之名

爱，一直有着广博的涵义。谁在最黑暗的日子里，无私地关怀你、帮助你，而他（她）竟然和你毫无血缘之亲？请不必惊讶，不必疑惑，只管用心去感受，因为这一切或许只以爱的名义 Job wa

科学美国人60秒 SSS Elephant Footprints Become Tiny Critter Havens

Imagine a world without elephants. Not only would we have lost one of the planets most charismatic, extraordinary creatures. Also gone would be a network of ecosystem engineersbecause elephants are crucial for other creatures to exist. They disperse

科学美国人60秒 SSS Small Fraction of Pilots Suffer Suicidal Thoughts

In March 2015, the co-pilot of Germanwings Flight 9525 crashed the jet into the French Alps, killing himself and 149 others. Later on, investigators found out he'd googled poisons, and living wills. And he'd previously been treated for severe depress

科学美国人60秒 SSS Bats Learn To Take White-Nose Punch

The little brown bat was once abundant in the eastern U.S. But within the last 15 years, a fungus called Pseudogynmoascus destructans infiltrated a cave in upstate New York. This fungus causes whats called white-nose syndrome in bats. The illness has

科学美国人60秒 SSS Pregnancy Primes the Brain for Motherhood

Pregnancy brings big physical changes to a woman's body. But what three neuroscientists were more interested in was, what does it do to the womans brain? We were in our 30s, and we were thinking I'd like to have a baby, but look at this, look at this

科学美国人60秒 SSS Migrating Birds Prefer Lakefront Property

You may have spotted V-shaped squadrons of geese heading south this fall. But for many migrantslike smaller songbirdsnighttime is the right time, when it comes to migration. Winds are gentler. And darkness helps them avoid airborne attacks. Of course

科学美国人60秒 SSS 'Necrobiome' Reveals a Corpse's Time of Death

Tens of trillions of microbes call our living bodies home. But when we die? The first thing that happens is basically ecosystem collapsewhere you have a tremendous loss of diversity. Nathan Lents, a molecular biologist at John Jay College in New York

科学美国人60秒 SSS Isolated Low Temps May Reassure Climate Skeptics

Global warming deniers love to point to cold or snow as evidence against climate change. Like Oklahoma Senator James Inhofe. Remember last year, when he tossed a snowball in Congress? You know what this is? It's a snowball. It's very, very cold out.

科学美国人60秒 SSS Weakest Piglets May Sneak Help from Strongest Siblings

Human parents usually have one or sometimes two offspring at a time, and when babies get delivered we pour all our energy into child rearing. But other animals raise lots of babies at once. And the weaker individuals can be at a big disadvantage. If

科学美国人60秒 SSS When Dining for Trillions, Eat Wisely

You are what you eat, the old expression goes. But it leaves out one crucial detail. We don't dine alone. We dine with trillions of friends. Jeff Gordon, a microbiologist at Washington University in Saint Louis. And they are partners in consuming the