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 2013-01-24

This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute. Sailors don't need to read the stars anymorethey've got GPS. But dung beetles do not have GPS. And it now appears that they use the Milky Way as a compass. Dun

美国科学60秒 SSS 2013-01-28

This is Scientific American 60-second Science,I'm Gretchen Cuda Kroen,got a minute?Sharing syringes is a big no-no.Despite the warnings,needles sharing among injection drug users are still a significant cause for the spread of HIV and other infectiou

美国科学60秒 SSS 2013-07-22

This is Scientific American - 60 Second Science. I'm SantiCriber. This will just take a minute. Many animals use sounds to convey information. Humans use vocal labels forobjects and for people. We call these words are names. Afew creatures such as do

美国科学60秒 SSS 2013-05-16

Bottled water companies often brag about the purity of their drinks. Just imagine if they found a water source that's been cut off from the outside world for well over a billion years. Well, scientists have discovered just that, in isolated reservoir

美国科学60秒 SSS 2013-01-07

This is Scientific American 60 second science, I am Christopher Intagliata, got a minute? If you've ever dined with a stuffy nose, you know that what you smell strongly influences what you taste. But what you see matters too. Even the color of a cup

美国科学60秒 SSS 2015-02-26

Early farming began in the Near East about 10500 years ago. Farming first reached Balkans in Europe some 8 to 9 thousand years ago and then crept westward. Locals in Britain seperated from mainland by the relatively newly formed English Channal did n

美国科学60秒 SSS 2015-04-16

This is Scientific American 60 Second Science. I'm Christofer Tagiya. Got a minute? Ever run along white sand and it hardens up almost like concrete under your feet? But pick up that same sand and it drizzles through your fingers.So that's the essenc

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 2012-10-15

This is Scientific American-60 Second Science. I am Christopher Intagliata. Gotta a minute？ 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 a journal-Plus O

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

美国科学60秒 SSS 2013-03-01

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 2013-02-08

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 2013-07-04

This is Scienfic America 60 second sience, I'm Sufie Bushweic. Got a minute?That spoon sure looks yammy, not that I'm planning on eating my utensils. But the appearance and feel of caloriy influences the taste of foods,that's according to a study in

美国科学60秒 SSS 2013-08-08

If you find a job a couple of thousand miles away, Skype interview will be certainly cheaper than meeting a person. But you could end up casting you the job, because study finds that video check can make you seem less likable than face to face interv

美国科学60秒 SSS 2013-08-02

This is Scientific American 60-second Science. I'm Sophie Bushwick. Got a minute? Wolves and grizzlies sound like unlikely allies. But the resurgence of Yellowstone Park's canine population has helped the bears in a berry interesting way. In the 1990

美国科学60秒 SSS 2013-04-10

Oh, my sir, looks like you got a bad case of true daddies, the woodsman's companion bed-bugs. Bed bugs are notoriously tough to Germany, many populations have already evolved resistent to common insecticides. But they do have a non-chemical enemy-kid

美国科学60秒 SSS 2013-05-07

When summer hits, I dread jogging outside. But a study finds that elephants can be in true danger in the heat. As creatures get bigger, they have smaller surface area to body volumn ratios. Fully-grown Asian eleplants thus pack a lot of mass into a b

科学美国人60秒 SSS 2014-2-11

The drug trade has devastated communities in central and south America. Policy makes are looing at moving away from trying to stop drug production to trying to curb demand. If it works and Nakada producers lose power, central american's forest will b

美国科学60秒 SSS 2015-03-11

If you're senior citizen,music in the background maybe distracting, but for younger people, experts at Multitasking ,it's apparently no big deal.That's according to a study in the general gener telligents. Researchs are included 103 people, have betw