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鸟儿给我们的教训:凝血易,代价高
Birds have different clotting proteins than humans, which explains our better clotting in trauma, but their avoidance of certain cardiovascular problems. Karen Hopkin reports 鸟类的凝血蛋白与人类不同2011-11-08 编辑:Richard 标签:
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科普阅读:敬请期待11月8日小行星与地球擦肩而过
On November 8th an asteroid will pass Earth within the moon's orbit, offering a rare opportunity for study. John Matson reports On November 8th, Earth will have a close encounter with a sizab...2011-11-07 编辑:Richard 标签:
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科普阅读:享受恐惧,但别真吓着自己
It's time to get scared. Nightmare On Elm Street, Psycho, Texas Chainsaw Massacre will be airing on TVs through to midnight tonight, Halloween. 是时候受受惊吓了。猛鬼街,惊魂记,德州电锯杀人狂都将于2011-11-04 编辑:Richard 标签:
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科普阅读:常吃甜食,人更"甜"
Study subjects who expressed a preference for sweet over savory tastes also tended to be more agreeable. Karen Hopkin reports. With Halloween around the corner, parents are fretting over what all th2011-11-03 编辑:Richard 标签:
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科普阅读:蝙蝠死亡对人类健康和经济的影响
Biologist Jeffrey Foster at the ScienceWriters2011 conference in Flagstaff on October 16 discussed the implications to humans of the bat die-off resulting from the fungal disease called white nose2011-10-28 编辑:Richard 标签:
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科普阅读:儿童科学家表示,药片会被错当做糖果
A study by sixth graders found that children and adults can easily mistake some medications for sweets. Rose Eveleth reports. 一项由六年级学生进行的研究表明,儿童和成年人很容易将一些药物当做糖果罗丝2011-10-27 编辑:Richard 标签:
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科普阅读:更加智能的硅片使太阳能更具竞争力
M.I.T. professor Ely Sachs gave up his faculty position to go all-in on a company that he believes can make solar energy competitive with coal via smart photovoltaic manufacturing. Larry Greenemeier2011-10-26 编辑:Richard 标签:
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科普阅读:Astronomy Picture of the Day(10-25-2011)
What powers the Heart Nebula? The large emission nebula dubbed IC 1805 looks, in whole, like a human heart. The nebula glows brightly in red light emitted by its most prominent element: hydrogen.2011-10-25 编辑:Mike 标签:
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动物食品的常规生产方式会产生(人的)耐药性
Microbiologist Lance Price at the ScienceWriters2011 conference in Flagstaff on October 16 explained that modern animal production methods are virtually designed to create antibiotic resistant bacte2011-10-25 编辑:Richard 标签:
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科普阅读:Astronomy Picture of the Day(10-24-2011)
Explanation: What created the Waterfall Nebula? No one knows. The structure seen in the region of NGC 1999 in the Great Orion Molecular Cloud complex is one of the more mysterious structures yet fou2011-10-24 编辑:Mike 标签:
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科普阅读:声波让电子化身乒乓球
Sound impelled an electron in an energy well to a second energy well and back. It's a step toward controlled single-electron transfer for use in quantum computer electronic circuits. Sophie B...2011-10-24 编辑:Richard 标签:
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科普阅读:Astronomy Picture of the Day(10-21-2011)
Garradd彗星已经可以作为观测目标 A good target for binoculars and small telescopes, Comet Garradd (C/2009 P1) now shines in planet Earth's evening skies, a steady performer but just below naked-eye v2011-10-21 编辑:Mike 标签:
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科普阅读:食物向坏基因挑战
People with a genetic variant, 9p21, predisposing them to heart disease lowered their risk with a healthful diet. Katherine Harmon reports. Even with a healthy lifestyle, genes are the deciding fac2011-10-21 编辑:Richard 标签:
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科普阅读:海水来自彗星的新证据
Comet Hartley 2 has the same deuterium-to-hydrogen ratio as ocean water, lending support to the idea that Earth's water was delivered by comets. John Matson reports. 哈特利2号彗星拥有和地球海水相同2011-10-20 编辑:Richard 标签:
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科普阅读:2012年网络安全黑云压城
A new Georgia Tech Information Security Center report cites search engines, mobile phones and personal information as prime targets for hackers. 佐治亚理工学院信息安全中心一份新的报告把搜索引擎、移2011-10-19 编辑:Richard 标签: