标签:美国科学60秒 相关文章
Archaeologys taking to the air. Researchers spent a month this summer testing a semi-autonomous unmanned aerial vehiclebasically a semi-autonomous dronehigh in the Andes in Peru. The goal: to scan a colonial town from the 1500s that had been built ov
Cases of the flu peak in winter in the U.S., but why? A new study suggests it's not the heat, but huminity. Or lack thereof. Because in temperate regions, the influenza virus fares best when the weather's dry. That's according to work published in th
Every fall, you need a new flu shot. Thats because todays vaccines train your immune system to recognize specific strains of flu, indentified by two proteins on the viruss coat, / and /. Thats where the H and N come from in H1N1. Problem is those pro
This is Scientific American - 60 Second Science. I am ...This will just take a minute. When it comes to mussels, bigger is not necessarily better. Tiny fibers called bissels and able muscles ,the shell fish kind,to anger themselves to coast lines,des
This is Scientific American 60-second Science,I'm Cynthia Graber.This will just take a minute.Iconic works of art get exhibited worldwide.But as those paintings age,they can become to fragile to extend travel around the globe.The paint can be visuall
A steaming mug of coffee helps me wake up in the morning.But it can do more than just keep your eyes open. Caffine may actually boost your memory. Researchers gathered 160 uncaffinated adults, people who consumed less than 500 milograms of caffine in
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
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
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
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
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
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
The midday nap is a pre-school tradition.but is it necessary? Some pre-schools plan to eliminate this downtime to fit in more teaching which could come the expense of learning.Because the study suggests that this news may help kids retain information
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
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
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
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
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
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
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.