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

发表于:2019-01-20 / 阅读(45) / 评论(0) 分类 Scientific American(六)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

发表于:2019-01-20 / 阅读(40) / 评论(0) 分类 Scientific American(六)月

It takes a village to raise a child. Well, the same is true for finding what are called spaceworps. That's according to astophysicists who are calling for volunteers to aid in the search for gravitational lenses. Astronomical objects are so massive t

发表于:2019-01-20 / 阅读(39) / 评论(0) 分类 Scientific American(六)月

France considers itself the world's center of wine but there may be some red faces in Burgundy today-because a study provides more evidence that techniques for turning grapes into a glass of wine may have come over what today is Italy. The research i

发表于:2019-01-20 / 阅读(36) / 评论(0) 分类 Scientific American(六)月

Ordinarily you've called it a pistachio a pistachio, but if you are for example an immigrant from China, and you've just seen a Ming vase. You might call a pistachio and a happy nut. Because visual cues can affect language in people with multiple cul

发表于:2019-01-20 / 阅读(56) / 评论(0) 分类 Scientific American(六)月

Stem cells are prised for their ability to give rise to a variety of specialized cell types, including heart, liver, nerve and bone. Unfortunately, it's the stem cells from embryos that have shown the biggest potential, for generating both a range of

发表于:2019-01-20 / 阅读(49) / 评论(0) 分类 Scientific American(六)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

发表于:2019-01-20 / 阅读(36) / 评论(0) 分类 Scientific American(六)月

this is sss ,i am karry,this will just take a minute.are you listening to the pod cast while you drive then texting your friends about it,huh,don't do that.i mean,because a new studay shows even you are using a handsfree device,sending or receiving a

发表于:2018-12-24 / 阅读(39) / 评论(0) 分类 Scientific American(六)月

The limpidness lettuce still has a little life left,a new study finds that produce continue to respond to life kills which enable them to keep protecting themselves from insects,and perhaps even enhance their nutritional value to us.Scientists knew t

发表于:2018-12-24 / 阅读(32) / 评论(0) 分类 Scientific American(六)月

this is science american 60minutes sciences also people shunke。the linpist still have left the new study find that produce continues response to like inutes which able to keep protecting themselves from insex and prehapes even to hand nutance value

发表于:2018-12-24 / 阅读(43) / 评论(0) 分类 Scientific American(六)月

Flawless pearls are among the most symmetrical spheres biological organs. But do they get so round? Turns out they turn. Pearls and mollusks such as oysters create so-called pearls acs around intrusive pieces of grit. The sac coat the yelten with the

发表于:2018-12-24 / 阅读(55) / 评论(0) 分类 Scientific American(六)月

Plants can choose where their seeds end up. Some float on the winds, others on the water. Many seeds hit the ride on or inside animals. And the farther seeds get from their parents and any predators of the disease the parent might have, the better ch

发表于:2018-12-24 / 阅读(40) / 评论(0) 分类 Scientific American(六)月

Are you listening to this part cares when you drive, then texting your friends about it? Dont you do that, the texting, I mean. Because a new study shows even a few use of hand free device, sending or receiving a electronic message can prove a major

发表于:2018-12-24 / 阅读(33) / 评论(0) 分类 Scientific American(六)月

All humans involved to find certain female traits attractive across cultures because they signal a potential mate's reproductive potential. Right, Actually, a new study finds that cultural norms can also play a big part at least when it comes to big

发表于:2018-12-24 / 阅读(34) / 评论(0) 分类 Scientific American(六)月

This is Scientific America 60-second science, I'm Sophie Bushvick, got a minute? All humans evolve to find certain female traits attractive across cultures because the signal of potential means reproductive potential. Right? Actually a new study find

发表于:2018-12-24 / 阅读(49) / 评论(0) 分类 Scientific American(六)月