The 12 million Americans with sleep apnea stop breathing for short periods during the night, sometimes hundreds of times. Now a new study finds that a good motivator for some apnea sufferers to get treatment could be improved athletic performance. Be

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 Scientific American(十一)月

With H1N1 on the rise and flu shots hard to find, few things are as terrifying as [sneeze sound]. But now a report in the journal Psychological Science suggests that coughing and sneezing can spread more than viruses. They also spread fear, of germs

发表于:2019-01-08 / 阅读(87) / 评论(0) 分类 Scientific American(十一)月

The other day my 3-year old God son and I were pillow fighting when he sat down, panting, and said with surprise, I can feel my heart beating! Sometimes it takes little kids to remind us just how amazing our bodies are. Scientists believe that an are

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 Scientific American(十一)月

That's the sound of clean coal. Well, cleaner coal. A relatively small unit attached to the smokestack at the Mountaineer Power Plant in West Virginia is capturing some 1.5 percent of the carbon dioxide the coal-fired plant would otherwise belch into

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(十一)月

How can you tell the difference between a French baby and a German baby? No, its not that one is wearing a saucy little beret while the other is tucked into tiny pair of lederhosen. Well, maybe thats part of it. But a new study in the journal Current

发表于:2019-01-08 / 阅读(93) / 评论(0) 分类 Scientific American(十一)月

Evolution continues today, and sometimes we can watch it happening. Researchers in the November 6th edition of the journal Science say that they caught in the act a population of butterflies in Ecuador potentially diverging into two distinct species.

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(十一)月

What you eat affects more than physical health. Two new studies have added to the growing evidence linking the stomach and the brain. In a report in the Proceedings of the National Academy of Sciences, researchers studied how junk food can trigger ad

发表于:2019-01-08 / 阅读(119) / 评论(0) 分类 Scientific American(十一)月

This book stinks! is really a bad review. But even a classic work can start to smell when it gets old enough. Now chemists have developed a technique that identifies what kind of degradation process an old book or historical document is going through

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(十一)月

We all love getting something new. But then we have to move around our current clutter to find a place for it. Well, looks like things work the same way in the brain. Because according to a study published in the journal Cell, newborn neurons in the

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 Scientific American(十一)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(93) / 评论(0) 分类 Scientific American(十一)月

It seemed like a good ideabecause rivers and ponds in Bangladesh were contaminated with bacteria, Bangladeshis switched to wells. But soon after, in the early 80s, researchers realized those wells were harming Bangladeshis with a new poisonarsenic. T

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(十一)月

November 24th marks the 150th anniversary of the publication of Darwin's Origin of Species. On November 19th, a guy named Ray Comfort, who does not accept evolution, will celebrate the fact that when copyrights expire and works enter the public domai

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 Scientific American(十一)月

You've probably heard the expression a heart attack on a plate. Maybe its fettuccini alfredo. Or maybe its a bacon cheeseburger, covered in batter and deep fried to artery-clogging perfection. Either way, it's clear that our modern diet is not always

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 Scientific American(十一)月

Theres nothing like a good nap. It can refresh your moodand possibly your memory. Because a new study in the journal Science shows that a quick snooze after a mental workout helps to consolidate learning. And that sounds heard during sleep can trigge

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(十一)月

We humans are known to help out members of our own families. When it comes to business we call it nepotism. Now plants have demonstrated the same predilection, in a study published in the American Journal of Botany. Previous research showed that plan

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 Scientific American(十一)月

This January, the country Turkey will join a handful of European nations that require visual health warnings on every pack of cigarettes. These images include things like diseased lungs and a foot sporting a toe tag. But maybe a Petri dish overrun wi

发表于:2018-12-24 / 阅读(84) / 评论(0) 分类 Scientific American(十一)月

Here in the U.S., its Thanksgiving week. And many of us are getting ready to stuff our faces, watch football and take advantage of all those Black Friday sales. But eat enough turkey and you may not want to shop. Because a new study, in the Journal o

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 Scientific American(十一)月

Maybe its happened to you. You think you have a fever. So you pop a thermometer in your mouth and try to breathe through your nose to get an accurate reading. But youre totally stuffed up, so you experience this moment of complete panic because you c

发表于:2018-12-24 / 阅读(75) / 评论(0) 分类 Scientific American(十一)月

Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl

发表于:2018-12-24 / 阅读(72) / 评论(0) 分类 Scientific American(十一)月

Adults can have a tough time learning a new language. Some opt for language immersion, in which the person spends all their time reading, listening to and speaking the new language. Now research reveals that immersion students do indeed learn the new

发表于:2018-12-24 / 阅读(76) / 评论(0) 分类 Scientific American(十一)月