美国科学60秒 SSS 2013-01-03

This is Scientific American 60 second Science, I am Sophie Bushwick, Got a minute? Sharing is one of the hallmarks of human behavior: give me a cookie and Im more likely to give you one later. But our bonobo cousins have an odd variation on the pract

美国科学60秒 SSS 2015-01-26

It may not the lengdary match-up .. versus octopus. But imagine this fight: sea dwelling cone snail versus tine fish. Who wins? well, true, the fish can .. away but the snail have chemical weapons. So they use ..cocktail of compounds and most of them

美国科学60秒 SSS 2015-04-24

This is scientific American 60 seconds science, I am Graper. got a minute? what's better than old one and new bottles, for scientists, old one and old bottles preserved one hundred feet down at the bottom of the sea. In 1910 Divers worked in a shipwr

美国科学60秒 SSS 2015-05-21

The BP Deepwater Horizon oil spill began in the Gulf of Mexico on April 20, 2010. Following the event through 2012, more than a thousand dolphins washed up dead along the Gulf, in three major strandings. Thats four to five times higher than the regio

美国科学60秒-SSS 2015-06-25

Smartphones' battery down to 10 percent. Time to turn down the brightness on the screen. Right? It's a classic strategy to squeeze more juice from the battery and it works. But that trick might be less effective than you think, cause it turns out nea

美国科学60秒-SSS 2015-06-16

This is Scientific Americans 60 Seconds Science. I'm Kerry Horgen. This is just take-a-minute. If you are like me, you know that multitasking does not always save time. You slow down or make mistakes that require fixing but maybe I'm just doing the w

美国科学60秒 SSS 2015-01-06

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

美国科学60秒 SSS 2012-11-30

You might say blue-green algae are optimists: they put things in the best possible lightliterally. Actually, the organisms arent really algae. Theyre photosynthetic ocean bacteria. And they can fine-tune their photosynthetic apparatus to take advanta

美国科学60秒 SSS 2012-11-23

No matter how seldom you've opened that calculus textbook on your shelf, the chances of worms having eaten it are pretty low. But books written back in the Renaissance have had much better odds of becoming worm food. Now we know that the holes left b

美国科学60秒 SSS 2012-11-22

No matter how seldom you've opened that calculus textbook on your shelf, the chances of worms having eaten it are pretty low. But books written back in the Renaissance have had much better odds of becoming worm food. Now we know that the holes left b

美国科学60秒 SSS 2012-11-21

No matter how seldom you've opened that calculus textbook on your shelf, the chances of worms having eaten it are pretty low. But books written back in the Renaissance have had much better odds of becoming worm food. Now we know that the holes left b

美国科学60秒 SSS 2012-09-12

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? When Pyrex cookware first came out, it was advertised as icebox to oven. Because it was made of borosilicate glass which could weather large temperature chan

美国科学60秒 SSS 2012-09-11

A male songbird's tune advertises his status and availability to choosy female. But rock sparrows offer a notable exception. Their crooning can also reveal when the male has been jilted. Researchers studied the songs of male rock sparrows in the Fren

美国科学60秒 SSS 2012-09-05

They say that all's fair in love and war. But when it comes to making a deal, people have very definite ideas about what's fair. A recent study found that people will let a basic physiological need go unfulfilled rather than accept an unfair transact

美国科学60秒 SSS 2013-01-15

How do you to find 1 kilogram? Easy. It's the exact mass of medal cylinder called the international prototype kilogram. IPK, for short. Kept in controlled conditions in France. But the standard kilogram has gained weight since its creation in 1875. T

美国科学60秒 SSS 2012-12-11

What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o

美国科学60秒 SSS 2012-12-13

You vote for politicians based on their views, right? Thats how it works in theory, but other facts can sway your votes like politicians voice. Because a study showed that the deeper the voice, the more electable the candidate. And not just for men,

美国科学60秒 SSS 2012-12-05

Cigarettes are bad for your health. But thats only if you smoke em. If you use them to line your nest, they might actually do you some good. Because birds that decorate their digs with discarded cigarette butts are less bothered by parasites. Thats a

美国科学60秒 SSS 2012-12-03

In the last decade scientists have managed to sequence the genomes of everything from bacteria and fruit flies to individual human beings. But often overlooked are the genomic sequences of our food. We know the genomes of apples, bananas, potatoes, w

美国科学60秒 SSS 2012-11-12

Rising season severe storm is the most talked about threats of climate change. But here is another. No more coffee. Because rising temperatures make cripple wild populations of Arabica coffee, and most cultivated species in the world. So says a study