美国科学60秒 SSS 2012-12-20

This is scientific American 60 seconds science. I'm hop kin. just take a minute. Thinking of eating out over the holidays, while you might consider bring your own plate, because the new study shows the typical dishwashing procedures used by most rest

美国科学60秒 SSS 2012-12-21

Everyfall, you need a new flu shot. Let's consider these vaccines training ourimmune system, the recognize specific strains of flu. Identifying by two protein on the virus coat, hem agglutinin(血细胞凝集素) and neuraminidases(神经氨酸酶).

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 2013-02-22

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

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 2013-02-26

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 2015-06-16

This is Scientific Americans 60 Seconds Science. I'm Kerry Horgen. This is just take-a-minute. If you are like me, you know that multitasking does not always save time. You slow down or make mistakes that require fixing but maybe I'm just doing the w

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 2012-10-15

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 2013-02-14

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 2013-02-01

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 2013-02-07

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 2013-04-02

Synthetic biologists design and make biological devices and system for useful purposes. Conservation biologists study biodiversity to protect species and habitat.The two group don't talk to each other much.Conservation biologists cannot refer thus or

美国科学60秒 SSS 2013-05-02

This is scientific Americans Sixty seconds Science. I am Careen Hopcan. This will just take a minute. It's a common complaint.Perhaps level by every generation about the ones that followed. Kids nowadays are too materialistic ,with their inflated sen

美国科学60秒 SSS 2015-02-03

This is Scientific American 60 second science, I am Chris primsadiasher, got a minute? Study in birds for a living might sound like a cool job but it is not without logistical challenges for us land down animals. I have a northern gannet, so a really