科学美国人60秒 SSS Jupiter Moon to Be Searched for Life

Jupiter Moon to Be Searched for Life去欧罗巴寻找生命 And this mission would be NASAs first mission that is directly tasked with searching for signs of life on another world since the Viking Spacecraft were given that task back in the 1970s on

科学美国人60秒 SSS Giant Alien Antenna

(Probably Not a) Giant Alien Antenna强大的外星人光束 The Earth is studded with telescopes, listening for electromagnetic radiation from the great beyond. And a decade ago, astronomers stumbled upon a mysterious signal: a powerful pulse of rad

科学美国人60秒 SSS Early-Life Microbes Ward Off Asthma

Early-Life Microbes Ward Off Asthma太干净也不是好事儿 Asthma is a very prevalent disease in our society now. It wasnt so 50 years ago. And we now realize that the very early life microbes seem to have set you up or not for asthma. 在现在社

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

科学美国人60秒 SSS Pollinators Shape Plants to Their Preference

Pollinators Shape Plants to Their Preference我的进化来自你的偏好 Honeybees are the charismatic microfauna of the pollination world. But flies, bumblebees, butterflies and mothsthey all pollinate, too. With varying degrees of success. The po

科学美国人60秒 SSS African Penguins Pulled into an Ecological Trap

African Penguins Pulled into an Ecological Trap生态陷阱迷惑了可爱的企鹅 Over millions of years, penguins have evolved a keen sense of where to find food. Once theyre old enough, they set off from the shores on which they hatched for the f

科学美国人60秒 SSS Poverty Shaves Years off Life

Poverty Shaves Years off Life贫穷是疾病的一大根源 Back in 2011 member countries of the World Health Organization, the WHO, came up with a plan to cut mortality from noncommunicable diseases 25 percent by the year 2025. The program was thus

科学美国人60秒 SSS Teachers' Racial Biases Have Different Effects for High Versus Low Performers

Teachers' Racial Biases Have Different Effects for High Versus Low Performers平等对待每一个学生 The ways teachers view their students can influence how teachers teach. Which affects how and what students learn. Now a study finds that a teach

科学美国人60秒 SSS Bring Bronx Zoo To Your Living Room

Bring Bronx Zoo To Your Living Room将动物园带进卧室 There are a lot of misconceptions about what zoos and aquariums are today in the 21st century. 21世纪，人们对动物园和水族馆存在很多误解。 Jim Breheny, Director of the Bro

科学美国人60秒 SSS UV Rays Strip Small Galaxies of Star Stuff

UV Rays Strip Small Galaxies of Star Stuff紫外线辐射会阻止小星系形成 The sun spews out ultraviolet radiationthat's why you put on sunscreen. But the sun isn't the only UV-producing celestial body. Stars and supermassive black holes produ