科学美国人60秒 SSS 哪一个先长出来：长鼻还是花?v

Which Came First: The Proboscis or the Flower? To learn about the plant life of long ago, scientists dig through layers of the Earth, looking for fossil clues. Like bits of fossilized pollen, or spores.And that's where I come in. Timo van Eldijk (EL-

科学美国人60秒 SSS 海狸牙齿的奥秘

Ah yes.The ol' fluoride rinse at the dentist. Not pleasant. But hey, good for your teeth, right? 没错，这是牙医洗牙用的含氟漱口水。确实够闹心的。但毕竟对你的牙齿有益不是吗? Well now materials scientists have been

科学美国人60秒 SSS 蝙蝠的叫声传递了感情

When we humans talk to other humans, the soundswe make all have very specific meanings. When Isay apple you immediately imagine something thathas the characteristics of an apple. Yossi Yovel, aneuroecologist at Tel Aviv University in Israel. Andthe q

科学美国人60秒 SSS 鸟类唱歌导师很重要

Finches Can Learn to Sing Differently Than Their Genetics Dictate In the most recent podcast we discussed how baby bats learn their callsfrom all the other bats in their crowded colonies. And we mentioned in passing that songbirds usually get tutored

科学美国人60秒 SSS 疲劳驾驶危害大

It's particularly concerning that 56 million Americans a month admit that they drive when they haven't gotten enough sleep and they are exhausted.Charles Czeisler. Hes the director of the Division of Sleep Medicine at Harvard Medical School. 需要特别

科学美国人60秒 SSS 我们的身体并不是晴雨表

Pain and Weather Fail to Connect Are you one of those people who can tell when a storm is approaching based on your achy knees? Well, you may think you are. But a new study of more than 1.5 million seniors finds no relationship between rainfall and d

科学美国人60秒 SSS 2017你旅行了5.84亿英里!

You Traveled Far Last Year Happy New Year! And if youve been away from work for a few days, you deserve some time off. After all, youve traveled far. Even if you just stayed at home. According to NASA, just by being on the planet Earth in the last ye

科学美国人60秒 SSS 未来太空三种战略趋势

Air Force Tracks Final Frontier 未来太空三种战略趋势 Theres three strategic trends that I see in space. 我在太空中看到了三种战略趋势。 General Jay Raymond, Commander of Air Force Space Command in Colorado Springs. He recently

科学美国人60秒 SSS 纽约市老鼠被病原体包围

NYC Mice Are Packed with Pathogens Rats. They're a defining feature of life in New York City, rustling in trash bags, scurrying along the subway tracksand becoming famous for occasionally eating pizza. But these urban vermin may be less of a threat t

科学美国人60秒 SSS 心情很重要哦~

Bouncy Gait Improves Mood A good mood may put a spring in your step. But the opposite can work too: purposefully putting a spring in your step can improve your mood. Thats the finding from a study in the Journal of Behavior Therapy and Experimental P

科学美国人60秒 SSS 路易丝斯劳特是国会食品安全领导者

Louise Slaughter Was Congress's Food Safety Champion Legislation to restrict the current overuse, I would say abuse, of antibiotics by farmers who raise livestock for human consumption.Louise Slaughter, member of Congress from upstate New York, in 20

科学美国人60秒 SSS 火星真的会撞地球?

Chaotic Orbits Could Cause Catastrophic Collision Isaac Newton said, I can calculate the motion of heavenly bodies, but not the madness of people. He meant that while people can be unpredictable, the planets are just the oppositethey glide through sp

科学美国人60秒 SSS 在下午4:20之后交通死亡人数增加

Traffic Deaths Increase after 4:20 P.M. on 4/20 Tomorrow is April 20th4/20. It's sometimes called a High Holiday. Because for a lot of people, 4/20 is Marijuana Day. And for them it's kind of a tradition to start lighting up at 4:20 P.M. on 4/20. Whi

科学美国人60秒 SSS 混沌轨道可能导致灾难性的碰撞

Chaotic Orbits Could Cause Catastrophic Collision Isaac Newton said, I can calculate the motion of heavenly bodies, but not the madness of people. He meant that while people can be unpredictable, the planets are just the oppositethey glide through sp

科学美国人60秒 SSS 飞蛾帮你改进智能手机屏

Moths Inspire Better Smartphone Screens One of the things that makes your smartphone so smart is that if you pull it out in the sun, it senses thatand dials up the screen brightness to compensate. But it's not a perfect solution. 智能手机非常智能

科学美国人60秒 SSS 反进化说

Antievolution Legislation Shows Descent with Modification Creationism evolves and sometimes those new strategies succeed. 创世论得到发展，有时候，是新的策略取得的成就。 Nicholas Matzke, an evolutionary biologist currently on a

科学美国人60秒 SSS 计算机预测波普图成功

Computers Predict Pop Chart Success Many parents are no doubt familiar with their teenagers' musical tastes. Very few are probably inspired enough to launch an experiment into them. I listened to some of the music my oldest teenage daughter is listen

科学美国人60秒 SSS 医生小说对待生死问题

Doc's YA Novel Treats Life and Death Issues My book is called Water in May, its about a 15-year-old Dominican-American living in Washington Heights named Mari Pujols. And she wants more than anything else to have a babyand so shes very excited when s

科学美国人60秒 SSS 鳍足类动物不喜欢受到人类干扰

Pinnipeds Don't Appreciate Biped Disturbance 鳍足类动物不喜欢受到人类干扰 Cabo Polonio is a small seaside village on Uruguay's Atlantic coast. The permanent, year-round population is just 95 people living in around 50 homes. Another 350

科学美国人60秒 SSS 有些树因出汗而发热

Some Trees Beat Heat with Sweat Heres a short piece from the May 2018 issue of the magazine, in the section we call Advances: Dispatches from the Frontiers of Science, Technology and Medicine: 这是该杂志2018年5月号的一篇短文，我们称之