60秒科学:足球中的罚球运动员的小动作可揭示其

Soccer penalty kickers wearing motion sensors revealed that subtle body cues can give away which side of the net they're shooting for Those of you following the World Cup know that at this stage there can be no more draws. Ties are broken during over

60秒科学:我们大部分人都摄入了过多的食盐(有声

A CDC study of 4,000 adults found that more than 90 percent ate more sodium than recommended levels. Even if you have a light hand with the salt shaker, you probably get lots of sodium in processed or restaurant meals. But sodium can contribute to hi

60秒科学:天然润滑油使圣安德烈亚斯断层活动不

Portions of the San Andreas fault seem to self-lubricate with a clay layer that's deposited by fluid seeping through cracks opened by fault movement The North American and Pacific plates meet in California at the San Andreas fault. The plates grind p

60秒科学:克隆氏病不仅仅由基因决定,病毒感染起

Mice with a genetic predisposition to get a Crohn's-like disease were kept healthy until exposed to a virus that apparently triggers the condition. Crohns disease is a real pain in the gut. This inflammatory disorder can lead to some serious intestin

60秒科学:森林的过度砍伐导致痢疾在巴西肆掠

A 4 percent decrease in forest was associated with a nearly 50 percent rise in malaria cases in western Brazil. You know saving the rainforest is good for biodiversity. But it may also be a boon to human health. That's because less clear-cutting may

60秒科学:男性声音能显示出说话人的体能状况(有

Study subjects were able to accurately assess men's physical strength based only on listening to them speak Which of these guys would you guess is stronger? Him? [Arnold Schwarzenegger saying One of us is in deep trouble.]. Or him? [Pee Wee Herman sa

气体行星独特的运动轨迹使其形成了彗星尾巴(有

A planet called HD 209458b, aka Osiris, orbits its star so closely that it is losing some of its atmosphere to the stellar wind. It may thus have a cometary tail Whaddya get when you cross a planet with a comet? Well, HD 209458b looks like a candidat

棒球伤员数据显示赛季早期更易受伤 其中投手受

A study of all injuries resulting in Major League Baseball players being put on the disabled list finds that most injuries occur before the All-Star break, and that pitchers are more at risk than non-pitchers. New York Yankees pitcher Andy Pettitte h

情绪低落抑制视网膜活动 陌生口音加重倾听者疑

Two studies of perception: the retinas of depressed people are far worse at responding to contrast; people doubt statements more when the speaker has a foreign accent. A couple of studies on perception. First, theres now visual data to back up the id

毛毛虫移动时 内部器官先于外部肢体(有声)

A caterpillar's guts move forward first, followed by its outer body, according to x-ray studies of the insects walking on a treadmill. Imagine if before you took each step, your guts lurched up into your throat. Well, caterpillars dont have to imagin

一三星系统经黑洞整合后的残余物生成超级行星

A hypervelocity star appears to be the remains of a three-star system, one star of which was digested by the Milky Way's black hole, with the other two being combined and hurled away. Heres what scientists think happened, oh, about a hundred million

60秒科学:会唱歌的蓝鲸

Scientists analyzed around 2,500 of those calls, and found that the second part (sound) is nearly identical in pitch every time from each whale: 16 hertz, or four octaves below middle C. And the slight variations in frequency that do exist are only a

60秒科学:转基因油菜作物逃离农场

One of the concerns about working with genetically modified crops has been that vegetation growing in agricultural fields might escape out into the world. Now, for the first time in the U.S., researchers report a large population of GM crops beyond t

60秒科学:利用录音发现青蛙的数量可能被高估了

Frog census volunteers misinterpreted recorded frog sounds in the field, leading researchers to suspect that frog populations may be even lower than thought. Declining frog populations are considered an indicator of environmental damage. But new rese

60秒科学:小白鼠实验表明:辣椒中的辣椒素有助于

Rats with high blood pressure benefited from a long-term diet rich in capsaicin, which gives the heat to hot peppers and starts a chemical sequence that relaxes blood vessels. Heres a possible blood pressure remedy. But its only for those who can sta

60秒科学:火星漫游者勇气号出现故障,但仍有希望

The Mars Rover Spirit has long surpassed its planned three-month mission, and appears to be virtually powerless. Researchers still hope that once the Martian days lengthen, the rover's batteries may charge up to the point where communication again be

60秒科学:漂亮的名牌标志给人以混淆的信息

High-end goods with recognizable logos may signal to the less affluent that you have some money, but also to the wealthy that you're not one of them Some people pay big bucks for a designer handbag or a luxury carand the distinctive logo that goes al

60秒科学:脖子的生成给大脑的发展提供了有力的

The evolutionary development of the neck allowed more freely moving forelimbs, which allowed further evolution of the head and hands Whats in a neck? Well, its a good place to hang a pendant or a tie. Or to rest your head. Now scientists say that by

60秒科学:喝酒也会传染?(有声)

People with a particular variant of a dopamine receptor were more likely to drink more after watching other people drink heavily Spend any time in a bar, and sooner or later youll hear, Ill have what shes having. It sounds like a bad pickup line, but

人们习惯性刚开始过分乐观 之后过分悲观(有声

People initially expect to learn a new skill easily, then become overly pessimistic when reality sets in. Have you ever bought a new electronic device, or tried a new activity, and then dropped it because you were sure you couldnt possibly master it?