美国科学60秒 SSS 2012-11-27

A crocodiles thick, rough skin looks like an impenetrable suit of armor. But the crocs skin actually confers a delicate sense of touch thats among the most acute in the animal kingdom. Thats according to a study in The Journal of Experimental Biology

美国科学60秒 SSS 2012-11-26

This is Scientific American sixty seconds science. I am Karen Hopkin. This will take just a minute. Your morning coffee. A baking pie. That turkey in the oven. There are some smells you just cant get enough of. But mix them and other scents all toget

美国科学60秒 SSS 2012-09-14

Plants can pull carbon dioxide, the planet warming greenhouse gas, out of earth's atmosphere. But these aren't the only living organisms that affect carbon dioxide levels and thus global warming. Nope, I'm not talking about humans. Humble sea otters

美国科学60秒 SSS 2012-09-13

When Pyrex(公司名) cookware first came out, it was advertised as the ice box to oven, because itwas made of borosilicate glass which could weather large temperature changes without undergoing thermo-shock and shattering. But today, Americans Pyrex

美国科学60秒 SSS 2013-01-18

Medicinal tablets are nothing new. Doctors have been dispensing pills for thousands of years. And now archaeologists have turned up some of those ancient medicines, which were preserved in a shipwreck for close to two millennia. The 2nd-century Pozzi

美国科学60秒 SSS 2013-01-17

This is Scientific American 60 second Science, I am Sophie Bushwick. Got a minute? Medicinal tablets are nothing new. Doctors have been dispensing pills for thousands of years. And now archaeologists have turned up some of those ancient medicines, wh

美国科学60秒 SSS 2012-12-14

You vote for politicians based on their views, right? That's how it works in theory. But other factors can sway your vote. Like a politician's voice. Because studies show that the deeper the voice, the more electable the candidate. And not just for m

美国科学60秒 SSS 2012-12-07

Who was the better artist, a caveman or Leonardo da Vinci? It turns out that early depictions of four-legged animals walking are more accurate in some ways than modern oneseven those crafted by the Renaissance master. The study is in the journal PLoS

美国科学60秒 SSS 2012-12-04

Mercury tends to show up in strange places, like swordfish and sharks. Now researchers have detected small amounts of mercury in the fog that bathes the California redwoods, near Santa Cruz. The mercury levels they've measured are in parts per trilli

美国科学60秒 SSS 2012-11-19

Feeling listless? Unfulfilled? Looks like life have all over, what could have to show for it? You are not alone. In fact, you might not even be human. Because a new study shows that even apes can experience a mid-life crisis. The work appears in the

美国科学60秒 SSS 2012-11-16

Aches and pains getting you down, or maybe they really tick you off. If that's the case, maybe don't look to a placebo to give you any relief. Because a new study shows that sugar pills are less effective for people who are quick to anger. The work a

美国科学60秒 SSS 2012-11-14

Imagine if you could focus your nose the way you focus your eyes. Scientists now believe that animals with a highly developed sense of smell like rats and dogs, do just that. Similar to the way we taste sweet, salty sour and bitter on different parts

美国科学60秒 SSS 2012-11-09

Rising seas and severe storms are the most talked-about threats of climate change, but here's another, no more coffee. Because rising temperatures may cripple wild populations of / coffee, the most cultivated species in the world. So says a study in

美国科学60秒 SSS 2012-11-07

We want our kids to grow up in a country where they have access to the best schools and the best teachers, a country that lives up to its legacy is the global leader and technology and discovery and innerbation, with all the good jobs and new busines

美国科学60秒 SSS 2012-11-06

Getting out grandmas good [flat work] for the holidays? Then youre probably dreading the time it takes to polish up that silver. Now imagine youre in charge of the silver collection at the metropolitan museum of art. Fortunately, for art conservators

美国科学60秒 SSS 2012-11-01

Tuberculosis killed 1.4 million people last year. One reason TB is so deadly is that TB bacteria mutate quickly. But some scientists are hoping to get a step ahead of TBs changes in the future by studying its past evolution. Remnants of TB genes can

美国科学60秒 SSS 2012-10-12

Hair helps keep you warm, right? But hair can also keep you cooler than bare skin, as long as the hair is not too thick. So says a study in the journal PLoS ONE. Researchers studied elephants, which have very thin coats of hair. It's easy for the bea

美国科学60秒 SSS 2012-10-05

A rabbit might outrun a fox, but stalks of wheat arent making any quick getaways. Plants, for the most part, dont flee from predators. But some primitive marine plants are breaking the rules. Marine scientists at the University of Rhode Island School

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 2013-03-06

Unless you are a convention, speaking middle English is not going to impress a potential romantic partner in 2013. Similarly, male sparrows have to make sure their vocalization is up to date. Researchers analyze three decades of recordings of male sp