科学美国人60秒 SSS 清除水污染 大鱼小鱼满

Bronx River's Cleanup Brings Herring Home清除水污染 大鱼小鱼满 So heres the first of the alewives, all silvery, theyre all about the same size, you cant tell the boys from the girls. These will be the first. 这就是第一批大眼鲱鱼，全

科学美国人60秒 SSS 无犁也来把田耕

Field Study: Worms Leave 'Til No-Till无犁也来把田耕 Charles Darwin is, most famously, the author of The Origin of Species. But the last book he ever wrote gets far less attention today. It's called The Formation of Vegetable Mould through the

科学美国人60秒 SSS 探秘家禽的驯化之路

Why the Cross Put Chickens on a New Road探秘家禽的驯化之路 Why did the chicken cross the road? Well, thats a philosophical pickle. But if you want to know why chickens dont get cross at peoplewhy theyre content being kept in their coopsscien

科学美国人60秒 SSS 敏感如蛇的热传感器

Heat Sensor Has Snaky Sensitivity敏感如蛇的热传感器 One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. 世界上有一种最精敏的热传感器，它

科学美国人60秒 SSS 高糖饮食加速老化

High-Sugar Diet Makes Flies Drop Like...Flies高糖饮食加速老化 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 res

科学美国人60秒 SSS 也许你身上存有尼安德特人的基因

Neandertals Live On in Our Genomes也许你身上存有尼安德特人的基因 Fifty thousand years ago, Homo sapiens weren't the only game in town. We were just one of several species of hominids roaming the Earth, like the Neandertals in Eurasia.

科学美国人60秒 SSS 蜘蛛竟是大胃王

Spiders Gobble Gargantuan Numbers of Tiny Prey蜘蛛竟是大胃王 By now, you may have heard about a study that came out a couple of weeks ago about spiders. The study got a lot of attention because coverage of the research often focused on the ide

科学美国人60秒 SSS 食物链最底层——遭污染的深海食物

The True Bottom of the Food Chain Is Plenty Polluted食物链最底层遭污染的深海食物 The Mariana Trench is the deepest spot in the worlds oceans. Only three humans have ventured into the trench in submersibles. But plenty of our pollution h

科学美国人60秒 SSS 酒店有臭虫？可能是假的！

Some Hotel Bed Bug Sightings May Be Bogus酒店有臭虫？可能是假的！ If you're a savvy traveler, when you hunt for a hotel you probably search TripAdvisor for any mention of bed bugs. But here's the dirty secret behind those bed bug sighting

科学美国人60秒 SSS 蚊子也能抑制病毒传播？

Bacterially Boosted Mosquitoes Could Vex Viruses蚊子也能抑制病毒传播？ It may sound strange, but scientists are celebrating the survival and spread of tens of thousands of mosquitoes they released in Northeastern Australia. The whole thing

科学美国人60秒 SSS This Caterpillar Whistles While It Irks

This Caterpillar Whistles While It Irks 毛虫会吹口哨？还是一种恐吓战术？ Songbirds produce a rich repertoire of sounds: songs, of course, but also chatter calls, flight calls and alarm calls: like this high-pitched warning from a blac

科学美国人60秒 SSS To Buy Happiness, Spend Money on Saving Time

To Buy Happiness, Spend Money on Saving Time 金钱也能买到幸福哦 We all know money cant buy happiness. But according to a recent study, there may be a loophole. A team of researchers finds that shelling out for services that save time can bri

科学美国人60秒 SSS Bacteria Can Be Resistant to Brand-New Antibiotics

Bacteria Can Be Resistant to Brand-New Antibiotics 谁在对抗最新的抗生素 Perhaps the chief poster child of antibiotic resistance is methicillin-resistant Staphylococcus aureus, or MRSA. The bacterium is impervious to a suite of antibiotics,

科学美国人60秒 SSS Frog Spit Behaves Like Bug-Catching Ketchup

Frog Spit Behaves Like Bug-Catching Ketchup 青蛙唾液竟然类似番茄酱？ 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 acc

科学美国人60秒 SSS Mediterranean Diet Works--for Upper Crust

Mediterranean Diet Works--for Upper Crust 地中海式饮食只对上流社会有好处？ The Mediterranean diet is well known for its heart-healthy effects. It even sounds healthful: lots of fruits and veggies, whole grain and legumes. Plus olive o

科学美国人60秒 SSS Celebrities Tweet Like Bots

Celebrities Tweet Like Bots 大V账户更博的是名人还是机器？ Twitter has more than 300 million monthly active users. But researchers have estimated that between about 30 million and 50 million of those are Twitter botsautomated accounts th

科学美国人60秒 SSS Screams Heard Round the Animal World

Screams Heard Round the Animal World 人类与生俱来的尖叫声识别能力 What does panic sound like? clip of Homer Simpson scream Like that, for sure. But also like this pig sound. And this chickadee sound . But maybe you already knew that. Be

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 狐狸“变”成狗

Selective Breeding Molds Foxes into Pets狐狸变成狗 Want to make a dog? Well, wolves evolved into dogs at least once. But it turns out you can also make whats basically a dog by starting with wild foxes. Select the ones that do not seem to want t