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

美国科学60秒 SSS 2012-10-10

Nobel weeka fine time to celebrate sciences most notable achievements. As you raise your glass to this years laureates, why not toast one of chemistrys most delectable discoveries. Because its the 100th anniversary of the Maillard reaction, without w

美国科学60秒 SSS 2012-10-09

Sauropods like Brachiosaurus and Diplodocus were the biggest beasts to ever roam the Earth. And these dinosaurs had enormously long necks. Which poses an anatomical problem: they needed to move their necks side to side and up and down to graze, but t

美国科学60秒 SSS 2013-02-13

Too little salt makes for(导致) a bland(温和的；乏味的) meal. But too much is offensively briny(海水的；咸的). Now, scientists have discovered why too much tastes bad. The work is in journal Nature. As the previous podcast noted, the c

美国科学60秒 SSS 2013-02-15

Astronomers have searched far and wide for a planet that are the right size and in the right place to support life. Well, maybe they should have set their sight a little close to the home. Because a new study suggests there may be earth-like planet j

美国科学60秒 SSS 2013-03-12

Don't forget to move your clocks forward this weekend and then don't forget to be more careful when the day is after you adjust your clocks because 2009 study found the hour loss of sleep was related to increase job related injuries. Probably because

美国科学60秒 SSS 2013-02-05

You are a bird, you are a plane, you are a super hero. sort of. because a study finds that experience in super power and virtual environment can turn you to a dukitor in real life. the work is in the journal plus one. 60 men and women flew over a vir

美国科学60秒 SSS 2013-02-01

Beneath its adorable exterior is your cat hiding the heart of killer.Researchers now estimated that each year domestic cats kill billions of birds and mammals in the United States alone.The report is in Nature Communications.We already knew that dome

美国科学60秒 SSS 2013-02-07

Adult ants communicate with pheromones, touch and even sound. Now researchers have discovered that developing ants called pupae have their own distinctive calls, which identify their social status within the colony. This finding is in the journal Cur

美国科学60秒 SSS 2013-08-13

Yes, the mosquitos are swarming at this time of year. Alaska joke the B.Z. the sate bird. But have you ever looked closely the swarm making mosquitos the nuts images? It is a curious thing. The swarm maintains the kind of shape that moves around. But

美国科学60秒 SSS 2013-07-10

Lawn enthusiasts love a lush, green carpet of grass, which is why they hate crabgrass. And now, they may have one more reason to despise the weed. Because crabgrass isn't just faster-growing than the rest of the lawn. It may actually be poisoning the

美国科学60秒 SSS 2013-08-05

It's similiar to a pregnancy test: a drop of liquid on a strip of paper causes an easily seen color change. But imagine that kind of simple, cheap technology employed in testing for pollution or health issues anywhere and on the cheap. Researchers at