SSS 2008-02-25

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

科学美国人60秒 SSS 2014-06-16

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SSS 2010-02-24

Wanna be lazy and productive at the same time? Try a napbecause napping can improve learning. So said U.C. Berkeleys Matthew Walker February 21st at the meeting of the American Association for the Advancement of Science in San Diego. He followed two

SSS 2010-02-19

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

SSS 2010-03-16

They say that who you hang out with says a lot about who you are. Well, the microbes that hang out on your fingers can point to exactly who you are. Because scientists at the University of Colorado in Boulder have been able to identify individuals ba

SSS 2009-11-16

It seemed like a good ideabecause rivers and ponds in Bangladesh were contaminated with bacteria, Bangladeshis switched to wells. But soon after, in the early 80s, researchers realized those wells were harming Bangladeshis with a new poisonarsenic. T

SSS 2009-09-16

Now, heres something you dont see every day: scientists cure color-blind monkeys. According to a report published online in the journal Nature, researchers have used gene therapy to allow color-blind squirrel monkeys to look at their fruit in a whole

SSS 2009-04-02

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The common method of closing a surgical incision is simply to stitch the patient up. There are some issues, though. Good stitching can be challenging,

SSS 2009-06-02

Leptin is a hormone made by fat cells that tells you when you're full. If you didn't have leptin---and some people don't---youd eat way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kid

SSS 2009-02-12

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? February 12th is the 200th birthday of Charles Darwin and Abraham Lincoln. But theyre linked by something else, too. Before Darwin, natural philosophers held to a poin

SSS 2009-02-05

Transcript This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Nearly 20 percent of servicemen and women returning from Iraq and Afghanistan report symptoms of post-traumatic stress or major depression. Another 19 perce

SSS 2009-01-16

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

SSS 2010-08-16

This is Scentific American's 60-Second Science, I'm Steve Mirsky, got a minute? At Point Reyes National Seashore in Marin County, California, a plant called Tidestroms lupine is holding on for dear life. Its survival has been threatened by the appear

SSS 2010-03-02

When an ocean liner starts taking on water, what governs whether its women and children first or every man for himself? According to a report in the Proceedings of the National Academy of Sciences, mens altruistic versus self-serving behavior depends

SSS 2010-02-04

Some people of Italian ancestry, like me, might have a surprise in the family treea man of east Asian descent, who was living and working 2,000 years ago in the boondocks near the heel of the Italian boot. The discovery is the first good evidence of

SSS 2010-02-10

Its called functional magnetic resonance imaging, or FMRI. And some neuroscientists call it the greatest scientific advance of the last 25 years. Because FMRI lets researchers look at the human brain in action. By measuring blood flow, it produces co

SSS 2010-02-01

Bees bread and butter is flowerstheres no reason they should be able to recognize human faces. But they can. Back in 2005, Arian Dyer at Monash University showed that bees could identify people who they associated who with sugary snacks. But could th

SSS 2011-12-02

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

SSS 2012-05-17

Turns out youre not just what you eat. Youre when you eat. Because a new study in mice suggests that, in the battle of the bulge, the timing of meals influences the piling on of pounds. In the experiment, researchers gave groups of mice either standa

SSS 2012-01-17

People have used tobacco for well over a thousand years. And researchers recently found unique physical evidence of the ancient habit. They detected traces of tobacco in a 1300-year-old Mayan container. The work is in the journal Rapid Communications