标签：美国科学 相关文章
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Scientific American(十二)月
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Scientific American(十二)月
this is Scientific American's 60 seconds' Science, i am Karan Hawking. This will just take a minute. Secret feeling chilly? Well, they may be a solution. Because researcher has generated genetic engineering mice: the kent field the cord. They worked
Scientific American(三)月
Women might expect to need new clothes after giving birth by a bigger pair of shoes. Well, yeah, because pregnancy can actually bland them and wide them in women's feet. Ihat's going to a study in the American Journal of Physical Pedichine and Rehabl
Scientific American(三)月
Cheetahs reign as the fastest land mammals capable of sprinting at speeds reaching about 65 miles an hour. But when hunting in the wild, the big cats rarely reach top speed. Instead they rely on rapid acceleration and agility to catch their prey. Tha
Scientific American(六)月
Lawn enthusiasts love a lush, green carpet of grass, which is why they hate crabgrass. And now they may have one more reason to despise the weed. Because crabgrass isn't just faster-growing than the rest of lawn. It may actually be poisoning the lawn
Scientific American(七)月
This is scientific 60second science.I'm Sophie Bushwick,got a minute? That spoon sure looks yummy,not that I am planning on eating my utensils.But the experience infilled of colory influence the taste of food-that's according to a study in the Journa
Scientific American(七)月
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
Scientific American(四)月
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
Scientific American(五)月
One help grammer keep a ,considering throughout her crosser puzzles and giving her a joy stick. Because the study finds that elderly people who played a video game for at least 10 hours gained 3 years of protection from xxx to xxx. Game was also beca
Scientific American(五)月
The Arctic wasn't always covered in ice. Samples of settlement layer beneath the frozen lake show this region used to be a lot warmer and made by out in the future. The works in the general science. * gain a Russian lake 100 kilometers north of the A
Scientific American(五)月
Most birds don't have penises. Good, I have your attention. Of course, female birds don't have penises. But, neither do most males. Now researchers have unravel the genetics behind the dispearance of this anatomical apparatus. Their penetrating insig
Scientific American(六)月
The human voice is capable of forming a plethora of incredibly different sounds. So many, in fact, that each individual language contains only a subset of potential sound units or phonemes. What factors determine whether a phoneme enters coming in us
Scientific American(六)月
Crop rotation is a recognized way to keep soil and food eco-system healthy. Now scientists are saying that rotation could be a useful tool in the sea. Researchers tracked the shallow water near shore species used for food-sea cucumbers. They'are easy
2015年Scientific American(五)月
This is Scientific American's 60-Second Science. I'm Eric Barris. Got a minute? Maybe call it the Sex and the City footwear effect. High heels are stylish, and in some circles, considered a fashion requirement. But they come with risks. Emergency roo
2015年Scientific American(六)月
This is Scientific American 60 seconds science, Im Andrea Alfano, got a minute? Just the sounds of the 1960 movie thriller Psycho may be enough to get your heart racing. Even when we may not be aware it, hearing music can affect our bodies as well as
2015年Scientific American(三)月
The Apple Watch grabbed most of the headlines when it launched on March 9. But for the scientific community, the companys new research kit product is probably the more interesting development. Researcher kit lets scientists more easily write apps for
2015年Scientific American(三)月
Modern European languages tend to share their names with the places they're spoken. Swedish: Sweden. German: Germany. And so on. But where'd they come from before that? One theory is the Anatolian hypothesis, Anatolia referring roughly to the Asian p
2015年Scientific American(三)月
Telomeres are parts of chromosomes that protect the ends of the chromosomes. Theyre often likened to the aglets(绳两端的金属箍) at the end of shoelaces(鞋带). And like aglets eventually crack, telomeres tended to get shorter over time, with
2015年Scientific American(四)月
Body odor. The smell of BO is unmistakable. And the culprit(犯人) behind that signature stench(恶臭) is a molecule called thioalcohol(硫醇). Our noses are so attuned(理解的) to it, we can pick up quantities as small as one part per trillion.
2015年Scientific American(四)月