美国科学60秒 SSS 2013-01-08

This is Scientific American 60 second Science, I am Karen Hopkin, this will just take a minute. There are in fact 100 billion galaxies, each of which contains something like a 100 billion stars. Well, Carl Sagan would have loved to get the latest est

美国科学60秒 SSS 2013-01-10

This is Scientific Americans 60 second Science, I am Gretchen Kuda Kroen, this will just take a minute. When normal populations of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as

美国科学60秒 SSS 2013-01-14

When normal population of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as Clostridium Difficile, C Dif. The mean symptom is nearly constant and debilitating diarrhea. One of the

美国科学60秒 SSS 2013-01-16

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

美国科学60秒 SSS 2013-01-04

This is Scientific Americans 60 second Science, I am Sophie Bushwick, got a minute? Comparisons of different animals have shown that larger brains provide greater intelligence, but they also guzzle more energy and have other consequences. Now scienti

澳洲新闻 (ABC新闻快递) 2012-01-17

There's been another drive-by shooting in Sydney, the nine in just over a week. A woman and two small children have escaped injury when four shots were fired into their home in the city's west early this morning. The New South Wales crime commission

美国科学60秒 SSS 2012-12-18

This is a season when becteria sinus infections run rampant, but some people are better able to ward off that malady. And they can be identified by their taste buds, because those of us who can better detect bitter flavors may also be better equipped

美国科学60秒 SSS 2013-01-21

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 2013-01-22

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 Pozzin

美国科学60秒 SSS 2013-01-29

This is Scientific American 60-second Science,I'm Gretchen Cuda Kroen,got a minute?The last time you splurged on a live lobster for dinner ,you might not have given any thought to how much the little guy was going to suffer as he boiled to death.Unti

美国科学60秒 SSS 2013-01-11

This is Scientific Americans 60 second Science, I am GretchenKuda Kroen, this will just take a minute. When normal populations of healthy bacteria in the gut get out of whack, the result can be the stubborn and recurrent bacterial infection known as

科学美国人60秒 SSS 2014-01-31

You see it when you watch almost any game:theres a touchdown, a home run, a goal. An athlete has triumphed! And then,almost instantly they raise their arms over their shoulders, shout aggressivelyand push out their chest. Like an animal in the wild o

科学美国人60秒 SSS 2014-01-06

The warm waste environment of your mouth makes it a great place for bacteria, some of which keep busy causing cavities. Such dental difficulties were thought to a really taken-off for we switch from hunting gathering to agriculture and had a ready su

美国科学60秒 SSS 2015-01-27

This is scientific America 60s science. I'm Steve Mursky. Got a minute?One of the aspirational letter is between now and 2030 to cut by 2/3 maternal mortality. Doctor Susan D`Helment is CEO of the ? Gates Foundation. On Jan 26th, she spoke with the s

美国科学60秒 SSS 2012-10-30

When Pablo Penda Sandoval made history with 3 home rounds in game one of the world series his head was probably buzzing but when batters and chilli detroy hit the ball not quite right the next couple of nights it will be their hands that are buzzing

美国科学60秒 SSS 2012-09-10

Thinking about getting a new tatoo, Maybe a nice 3D double helix or an I-heart-Higgs Bosons. Well, you might wind up getting some mycobacteria with your body art. The Centers for Disease Control and Prevention has turned up about two dozen cases of t

美国科学60秒 SSS 2012-09-07

As a kindergarten teacher might say, sharing is caring. She might not mention that cooperation is also a great way to form a community and thus improve everyone's chances of survival. Humans aren't only ones to apply this strategy. Marine bacteria al

美国60秒科学 SSS 2012-09-03

Last weekend I saw a baseball game at Cleveland's Progressive Field, one concession stand specialized in over-the-top fun food. It offered the infamous fried Twinkie, fried cookie dough, even a deep-fried snickers bar. I decided to eat more healthful

美国科学60秒 SSS 2012-10-04

The black mamba is one of the world's most venomous snakesits bite can kill a human in just half an hour. But along with deadly neurotoxins, the black mamba's venom has a special ingredient: a painkiller as potent as morphine. So says a study in the

美国科学60秒 SSS 2012-09-04

Humans have shaped the evolution of animals for as long as we have been catching and eating them. In the days of spear hunting, speed and boldness were survival assets. But with today's high-powered rifles, the tables have turned. Animals that speed