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

科学美国人60秒 SSS Aggressed-Upon Monkeys Take Revenge on Aggressor's Cronies

Aggressed-Upon Monkeys Take Revenge on Aggressor's Cronies猴子的报复 Dont mess with a monkey. Because if you do, hes might take revengeon your family and friends. Thats according to a study of Japanese macaques, which shows that monkeys keep tra

科学美国人60秒 SSS Knot Not Easy to Knot

Of the many puzzles mathematicians ponder, one is new ways to tie knots. There are more than six billion different types of knots that have been tabulated by mathematicians. Six billion. David Leigh, a chemist at the University of Manchester in the U

科学美国人60秒 SSS High-Sugar Diet Makes Flies Drop Like...Flies

I dont believe, in all my years, I have ever seen a fruit fly I would consider obese. But, thanks to the wonders of modern science, thats all about to change. Because a team of researchers from Cold Spring Harbor laboratory has produced the first fli

科学美国人60秒 SSS Ants Use Celestial Cues to Travel in Reverse

Next time you need directions, maybe ask an ant. Because these clever little critters are such masters of navigation that some can find their way home whether theyre walking forward, backward, or sideways. Thats according to a study in the journal Cu

科学美国人60秒 SSS Umbrellas Plus Sunscreen Best Bet to Beat Burns

Next time you need directions, maybe ask an ant. Because these clever little critters are such masters of navigation that some can find their way home whether theyre walking forward, backward, or sideways. Thats according to a study in the journal Cu

科学美国人60秒 SSS LSD's Long, Strange Trip Explained

LSD is one of the most potent hallucinogenic drugsactive at just around 100 microgramsa miniscule amount. That fact has fascinated pharmacologists for decades. Namely, how can it have such long-lasting effects12 hours or moreat such tiny doses? To fi

科学美国人60秒 SSS A Humble Fish with a Colorful Edge

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 Hawaiian Crows Ready for the Call of the Wild

Once upon a time, on the big island of Hawaii, it would not have been unusual to hear: [wild Hawaiian crow call] Thats the call of the Hawaiian crow. Its is a critically endangered species, now extinct in the wild after decades of habitat loss, perse

科学美国人60秒 SSS Teeth Hint at a Friendlier Neandertal

Teeth Hint at a Friendlier Neandertal牙齿的秘密 The paleo dietit's pretty trendy. Eat like a caveman, no dairy, grains, sugar and so on. But what you probably won't find on many paleo plates today? 旧石器时代的饮食非常的时髦。吃的就

科学美国人60秒 SSS 健身手环并不能准确计算卡路里

Fitness Bands Fail on Calorie Counts健身手环并不能准确计算卡路里 Fitness bands like the Apple Watch and the Fitbit aim to track your vitals, like heart rate. But early models weren't all that accurate.We thought of them a little bit lik

科学美国人60秒 SSS 暗藏威胁的太空微尘

The Sneaky Danger of Space Dust暗藏威胁的太空微尘 Aside from all the satellites, and the space station orbiting the Earth, there's a lot of trash circling the planet, too. Twenty-one thousand baseball-sized chunks of debris, according to NAS

科学美国人60秒 SSS 爱因斯坦医学院毕业演讲

Former CDC Head Warns of Threats Biological and Political爱因斯坦医学院毕业演讲 Einstein wrote, Striving for social justice is the most valuable thing to do in life. 爱因斯坦曾说，人生最有价值的事是为社会公正而努力。

科学美国人60秒 SSS 树木击败草坪成洛杉矶旱灾救星

Trees Beat Lawns for Water Hungry L.A. 树木击败草坪 成洛杉矶旱灾救星 When California was strangled by drought, the city of Los Angeles was offering home owners cash to replace their lawns with landscaping that was less thirsty. Because

科学美国人60秒 SSS 红辣椒可缓解肠炎

Hot Chilies Cool Down Gut Inflammation in Mice红辣椒可缓解肠炎 The ingredient that makes hot chilies hot is called capsaicinand it can set your mouth on fire. But the spicy compound has a soothing effect too: in your gut, it kicks off a chemi

科学美国人60秒 SSS 人类噪音害苦了野生生灵

Wilderness Areas Suffer from Human Sound 人类噪音害苦了野生生灵 Noise can prevent an animal from hearing other important sounds. 噪音会妨碍动物听到其他重要的声音。 Rachel Buxton, a conservation biologist at Colorado State

科学美国人60秒 SSS Polar Bears Must Work Harder On Faster Sea Ice Treadmill

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 Extreme Storms Are Extreme Eroders

Extreme Storms Are Extreme Eroders数天百年的效果 In 2013, a rare September storm swept across the plains of Colorado. When it hit the Rockies, it dropped more than a foot of rain in places like Boulderas much as the city sees in an entire year

科学美国人60秒 SSS Chaotic Orbits Could Cause Catastrophic Collision

Chaotic Orbits Could Cause Catastrophic Collision火星真的会撞地球? 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 oppo