科学美国人60秒 SSS Urban Food Foraging Looks Fruitful

Urban Food Foraging Looks Fruitful城市水果优点多 Foraging for food in urban areas is on the rise. Not dumpster diving. Collecting fruits and herbs. 在城市觅食越来越流行。当然啦，不是在垃圾堆里翻找食物。而是采摘水果

科学美国人60秒 SSS Your Cat Thinks You're Cool

Your Cat Thinks You're Cool 猫咪认为： 你是最好的 We tend to see house cats as aloof and independent, mostly preferring to engage in their own kitty business. But that assumption may be littered with error. Because a new study finds that, g

科学美国人60秒 SSS 古人也挨臭虫叮

Cave Dwellers Battled Bed Bug Bites, Too古人也挨臭虫叮 Picture a prehistoric human encampment, in a cave. What do you see? Maybe some animal hides, bones from last night's dinner, a small fire? But what you might not picture are the other cave

科学美国人60秒 SSS 奔跑吧!北极熊

Polar Bears Must Work Harder On Faster Sea Ice Treadmill奔跑吧!北极熊 Polar bears live on floating rafts of sea ice, hunting for seals. But in the Arctic Ocean north of Alaska, the cold polar wind constantly blows that ice from east to west. Wh

科学美国人60秒 SSS 生脉隆起导致生物多样化

Species Split When Mountains Rise生脉隆起导致生物多样化 The tropics are well known for their biodiversity. But another hotspot? Mountains. Like the Hengduan Mountains, in south-central China. 热带地区因为其生物多样性而为大家所

科学美国人60秒 SSS 远离”大猫”

Big Cats and People Live in Close Quarters in India远离大猫 In India, as a consequence of stricter protection of wildlife and increased tolerance, numbers of large carnivores are increasing in private lands and lands outside the protected-area sy

科学美国人60秒 SSS 我的歌声你懂得

Sweet Song Gives Away New Bird Species我的歌声你懂得 That, of course, is the sound of the Himalayan forest thrush. And that sound was a clue to field researchers that they might have a new species of bird on their hands. Even though it was in

科学美国人60秒 SSS 猫咪认为： 你是最好的

Your Cat Thinks You're Cool猫咪认为： 你是最好的 We tend to see house cats as aloof and independent, mostly preferring to engage in their own kitty business. But that assumption may be littered with error. Because a new study finds that, gi

科学美国人60秒 SSS 鞋带易结也易解

Shoelace Study Untangles a Knotty Problem 鞋带易结也易解 Youre strolling down the street or maybe hauling that load of laundry down a flight of stairs when all of a sudden. [sound fx] Your laces come undone. If youve ever pondered what precipi

科学美国人60秒 SSS 舌头之谜

You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high accelerations? 也许你认为青蛙能捕食昆虫是由于舌头很粘的缘故。但

科学美国人60秒 SSS 一条小鱼

Hundreds of millions of years ago a humble fish swam in the lakes and rivers of the supercontinent Gondwana. Eventually Gondwana broke apart, becoming the continents we know today. And the descendants of that fish, now called cichlids, continue to sw

科学美国人60秒 SSS 眼睛也要休息

So were inside, were in fake lighting, were not spending as much time outside in the context in which our visual system evolved. 在室内，处在人造光中，由于我们的视觉系统在发育，所以我们不能在光下呆太长的时间。

科学美国人60秒 SSS “美食”共分享

Microbes play a huge role in our nutrition, our immunity, maybe even our mental health. But we arent the only ones that rely on these armies of resident bacteria. Baby cockroaches, the ones that just emerge from the egg, don't have any gut bacteria.

科学美国人60秒 SSS 沐浴雨中 随风飘荡

Back in January, one of California's oldest and most iconic residents keeled over: the Pioneer Cabin tree, a giant sequoia in Calaveras Big Trees State Parkso big you used to be able to drive through it. 在今年一月份，加州一座最古老、最

科学美国人60秒 SSS 肠道细菌：我们饱啦

This Thanksgiving, as you savor your turkey and stuffing, here's something else to give thanks for: the army of microbes that help you digest the feast. Because when you eat, you're feeding them tooand triggering an enormous bloom of gut bacteria. In

科学美国人60秒 SSS 意外带来的不止是惊醒

Exposure to the unusual, the jarring, the culturally shocking may be beneficial for your cognitive reasoningand your waistline. 接触与众不同、不和谐文化方面的冲击可能会有益于认知推理甚至你的腰围。 Thats according to

科学美国人60秒 SSS Biggest Rivers Are Overhead

Back in January, one of California's oldest and most iconic residents keeled over: the Pioneer Cabin tree, a giant sequoia in Calaveras Big Trees State Parkso big you used to be able to drive through it. The giant was blown over by high windsdelivere

科学美国人60秒 SSS How to Find Loooong Gravitational Waves

In 2016 the Laser Interferometer Gravitational-Wave Observatory, LIGO, made the first accepted detection of gravitational waves. So any time you move a mass it produces a gravitational waveso black holes, like the ones LIGO detected, these are stella

科学美国人60秒 SSS Forensic Science: Trials with Errors

We have increasing doubts about this evidence, but we dont feel yet that we have the scientific knowledge and basis to exclude it altogether. Jed Rakoff, United States District Judge for the Southern District of New York. He spoke about forensic evid

科学美国人60秒 SSS 金屋藏“娇”

How do you attract a mate? If youre a male mouse, you take the Frank Sinatra approachyou sing. Scientists have known about crooning male mice for years. And past experiments showed that if you leave male mice alone with an unconscious female or even