picture in orange it's a case in biology grazable heart shaw. the pill's even some addable as moraly as far as he can task. but we human often pack it food and plastic with it's environmental and the puzzle chanlenges. so Harvard scientist D-A and K

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's sixty seconds science, I'm Cynthia Graber. This will just take a minute. It's know that taller people tend to have more jobs with more authority and higher salaries but there is a flip side the more powerful person is th

发表于:2018-12-24 / 阅读(68) / 评论(0) 分类 Scientific American(一)月

Lots of studies suggested limited quantities of alcohol, like one drink a day can benefit your cardiovascular helth. But for the tiny worm C. elegans, dilute b is a valuable f of ease. It actually doubles their lifespan, according to a study in the j

发表于:2018-12-24 / 阅读(83) / 评论(0) 分类 Scientific American(一)月

Ever wondered why mosquito eat some people up but leave others relatively unscathed. a new study find this prefential treament due to smells produced by the microscopic critters that cover our bodies. the reaserch is in the journal public library sci

发表于:2018-12-24 / 阅读(128) / 评论(0) 分类 Scientific American(一)月

This is Scientific American, 60 second science.I'm rose got minutes sit ,stay ,down ,no ,don't need that ,drop it, dogs .We pad them ,we love them ,we talk them. But are they listening, of course they are. Recent researchers found dogs pay attention

发表于:2018-12-24 / 阅读(63) / 评论(0) 分类 Scientific American(一)月

Jeanne Baret was passionate about science, so passionate that in the 1760s the French women disguised herself as a man. She hide her true identity to accompany her lover, Bach Philibert Commerson on the first friendship to sail around the world. At t

发表于:2018-12-24 / 阅读(140) / 评论(0) 分类 Scientific American(一)月

This is scientific American sixty seconds science. I'm Evelyn Lamb. Got a minute? Big city dwellers who need a car for less than a day can rent Zipcars by the hour. Zipcar's ads emphasize environmentalism and community. But a recent study shows most

发表于:2018-12-24 / 阅读(72) / 评论(0) 分类 Scientific American(八)月

This is Scientific America's 60 second science, I'm Sentay Graber, this will just take a minute. Magnifying glass, telescope, tiny tiny tape measure, these are the weapons with which researchers are fading it out to find the world's smallest frog.One

发表于:2018-12-24 / 阅读(88) / 评论(0) 分类 Scientific American(一)月

Magnifying glass, calipers, teeny tiny tape measure, these are the weapons with which researchers are fighting it out to find the world's smallest frog. One team just announced the discovery of the unaverage 7.7 millimeter p* which can sit comfortabl

发表于:2018-12-24 / 阅读(84) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans -60 seconds science .I'm Steve Murskey.Got the minute? People with high blood pressure are often told to watch the salt, and it's long been far that hypertension related to excess salt is caused by the salt increasing in

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Many people love what they consider a suntan's healthy glow. But the color you get from eating vegetables might be the most attractive glow of all. Tha

发表于:2019-01-08 / 阅读(205) / 评论(0) 分类 Scientific American(一)月

This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with

发表于:2019-01-08 / 阅读(120) / 评论(0) 分类 Scientific American(七)月

This is Scientific American 60 second Science I am Sophie Bushwick, got a minute? As it ages, white paper turns a distinctive yellow. But why? To find out, scientists artificially aged modern paper to reveal the changes on the molecular level. The re

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60 second Science, I am Cynthia Craber, this will just take a minute. The biggest risk for breast cancer patients is usually not original tumor, which is removed by surgery. The cancer becomes particularly deadly if it me

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 Scientific American(六)月

People have used tobacco for well over a thousand years. And researchers recently found unique physical evidence of the ancient habit. They detected traces of tobacco in a 1300-year-old Mayan container. The work is in the journal Rapid Communications

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(一)月

True to their names, boa constrictors squeeze the life out of their prey. But how dose a boa know its enough for a rat? The snake listens, for a heart beat. When it stops, thats a cue to let go, according to a study in the Journal biology letters. Re

发表于:2019-01-08 / 阅读(93) / 评论(0) 分类 Scientific American(一)月

On election day, where do you vote? If its in a church, you might be inclined to vote more conservatively than if you cast your ballot at a school or government building. Thats according to reserch published in the international journal for the psych

发表于:2019-01-08 / 阅读(79) / 评论(0) 分类 Scientific American(一)月

It's tough to be a machine in the desert. Particles of dirty sands walk their way in to moving parts where they break turbine's motors pipes on other equipment.To avoid the costly warranty, researches are taking lessons from a desert native, the yell

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(二)月

This is Scientific American 60 second Science, I'm Steve Mirsky, got a minute? In science, citations are gold. A journal article that gets cited a lot is usually considered a valuable piece of work. Now comes a study claiming that the number of times

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 Scientific American(二)月

This is Scientific American 60 Second Science, I'm Steve Mirsky, got a minute? Tens of millions of sharks are killed for their fins each year. It's not just a tragic abuse of the animals, It's bad business. They're basically swimming dollar signs, wh

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(三)月