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 2013-02-01

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 2013-02-04

This is scientific American sixty seconds science, I'm Christopher Taliyatah. Got a minute？ When you think of an password for yet another online account, longer is better. Right? Well, it's true if your password is just strings and radoms of number

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 2013-02-06

Clouds, they are fluffy, white and full of mystery. Although scientist may have better handle on clouds, even they don't know at all. Because the new study can show that atmosphere gases can help clouds form in a way no one had ever considered. That'

美国科学60秒 SSS 2013-02-08

A lethal dose cyanide of can take your life in minutes. It kills by blocking your cells used of oxygen, suffocating the body and brain. There are FDA approved antidote, but they are served via intravenous injection. Just imagine paramedics chucking u

美国科学60秒 SSS 2013-02-12

Taste may be the least understood of our five senses, even basic questions like where the taste bugs come from remain mysterious until now. In the study published in the journal Stem Cell, scientists identified the lose of parental cell that gives ri

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 2013-02-14

School are well known reservoir of contagion, where students share all sorts of communicable conditions, coughs, cold, flu, you name it. But gems are the only things kids can catch from their friends. If they are lucky, they could come down with 4.0.

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 2013-02-27

As many San Franciscans have noticed, sourdough bread stays fresher longer than the regular stuff. Sourdoughs extended freshness is due to extra fermentation that traps more moisture in the dough. But now we know that sourdoughs longevity is also bec

美国科学60秒 SSS 2013-02-26

About 5,000 years ago in Peru, culture kicked into high gear. During whats called the late Archaic period, South Americans formed permanent communities with complex architecture, religion and agriculture. And now scientists have shown that maize play

美国科学60秒 SSS 2013-02-25

The best value for money in cooking equipment, in my mind, is first a digital scale and digital thermometer. Theyre both about $20. They help you cook so much more accurately that theyre both enormously valuable. Nathan Myhrvold is the former chief t

美国科学60秒 SSS 2013-02-18

A lot of people have had impacted third molars. Third molars produce a lot of chronic pain. Alan Mann, a Prinston University physical anthropologist at the annual meeting of the American Association for the Advancement of Science in Boston on Februar

美国科学60秒 SSS 2013-02-19

This is scientific American's science 60 second science, I am steve mosbyA lot of people have had compacted third molars. Third molars produce chronic pain. Allen man, a Princeton University Physical anthopolegist, the annual meeting of the immagrate

美国科学60秒 SSS 2013-02-20

This is Scientific American - 60 Second Science. I am ...This will just take a minute. When it comes to mussels, bigger is not necessarily better. Tiny fibers called bissels and able muscles ,the shell fish kind,to anger themselves to coast lines,des

美国科学60秒 SSS 2013-02-21

Naked skin or effectively naded skin has been the primary interface between the human body and the environment for over 200,000 years. Penn State anthropologist Nina Jablonski on the evolution of human skin pigmentation at the annual meeting of the A

美国科学60秒 SSS 2013-02-22

Astronaut M B spent 199 days on the international space station in 2009.On Feb. 17th 2013, he told kids about his time in space as part of Family Science Day Effort on the Annual Meeting of American Association for the Advance of Science in Boston.Qu