日期：2008-01-23 Cookies, soda, candy, chocolate: It can be hard to resist the temptation of sugary-sweet treats and drinks. But sugar is high in calories, and eating too much of it can cause weight gain and other health problems. That's why millions of people drink... 阅读全文>>

日期：2008-01-23 Daniel Kunkle spent most of his time in graduate school playing with a colorful puzzle called a Rubik's Cube. And for 20 years, Jonathan Schaeffer worked on winning at checkers. The two researchers weren't goofing off. With clever computer programmin... 阅读全文>>

日期：2008-01-23 Every spring, more than 1,000 high school students from around the world compete for millions of dollars in scholarships and other prizes at the Intel International Science and Engineering Fair (ISEF). But prizes aren't the competition's only draw. S... 阅读全文>>

日期：2008-01-23 June13,2007 Entomologistsscientists who study insectshave a real mystery on their hands. All across the country, honeybees are leaving their hives and never returning. It doesn't take long before a hive is nearly empty. Researchers call this phenome... 阅读全文>>

日期：2008-01-23 Nov.7,2007 On an unusual old farm in New York City, workers are stashing away the seeds of the future. In this unlikely place, researchers are putting the seeds from flowering plants and trees in a sleeplike state called suspended animation. Many ye... 阅读全文>>

日期：2008-01-23 Dec.19,2007 Some birds are masters of crime. These sneaky species steal food from other birdsand get away with it. A diverse collection of birds is guilty of such thievery, and scientists have long wondered what these families of birds have in commo... 阅读全文>>

日期：2008-01-23 Jan.9,2008 You add like a monkey. No, really. Recent experiments with rhesus macaques suggest that monkeys do high-speed addition in much the same way as people do. Duke University researchers Elizabeth Brannon and Jessica Cantlon tested college stu... 阅读全文>>

日期：2007-10-07 鲶鱼大家都熟悉吧？和达尔文蛙相似，雄性鲶鱼也是把雌鲶鱼产的卵含在嘴里，以此孵出小鲶鱼。不同的是，雄鲶鱼在这段时期不能进食。 Catfish（鲶鱼）： A father sea catfish keeps the eggs of his young in his mouth until they are ready to hatch. He will not eat... 阅读全文>>

日期：2007-10-07 要论忠诚，美洲鸵肯定不是，因为它们没有固定的配偶。正因如此，雄鸟要独自承担起孵卵、喂食、照顾和保护后代的重任。 Rheas are large South American birds similar to ostriches . Father rhea takes sole care of his young. From eggs to chicks, he feeds, defen... 阅读全文>>

日期：2007-10-07 不知道尽守父职的雄蟑螂，能否给名声扫地的蟑螂家族挣来一点点声誉？雄蟑螂为了哺育嗷嗷待哺的后代，会吃下鸟粪，仅为了给小蟑螂提取氮这一营养物质。 Cockroach （蟑螂）： A father cockroach eats bird droppings （鸟粪） to obtain precious nitrogen （氮） , wh... 阅读全文>>

日期：2007-10-06 相信吗？雄海马可是有生育子女的能力哦！雄海马腹部有一个小袋，据说可用来装小海马2000只。当雄海马和雌海马交配的时候，雌海马的卵子会巧妙地掉到雄海马的育儿袋里，这些卵子在海马爸爸的腹袋里经过数周后，便会孵化成小海马。 Sea horse （海马）: 海马先生和海马太... 阅读全文>>

日期：2007-10-06 达尔文蛙见于南美洲大部分地区，它们抚育幼蛙的方式与众不同。达尔文雌蛙产下卵后，雄蛙用舌头把卵卷起咽到声囊里，之后雄性达尔文蛙则继续进食。当蝌蚪长到没有尾巴时，雄蛙便张开嘴，让蝌蚪们跳出去。 Frog （达尔文蛙）: The male Darwin frog hatches his eggs in... 阅读全文>>

日期：2007-10-06 在非洲卡拉哈里沙漠，由于雨量稀少，所有的动物自出生就要面临干燥的无情考验。由于纳马夸公沙鸡胸部的羽毛吸水性非常强，为孩子寻水的责任就自然而然落到了它们胸上公沙鸡每天都会到湖边把羽毛在水里浸湿后再飞回家，以此满足小沙鸡对水的渴求。 Sandgrouse（沙鸡）:... 阅读全文>>

日期：2007-10-06 在绒猴家族里，雄绒猴充当着贤夫良父的角色。雌绒猴生下子女后，只在喂奶时抱上它们一小会儿，照料孩子的工作全落在雄绒猴身上。雄绒猴会为小绒猴清洗身体，等到小绒猴不再吃奶时，它还会亲自喂小家伙们进食。 Marmosets （绒猴）: Marmosets （绒猴，又称拇指猴）are... 阅读全文>>

日期：2007-10-06 皇企鹅是唯一在南极大陆沿岸过冬的鸟类，并在冬季繁殖。雄性皇企鹅为了呵护雌企鹅产下的卵，会在随后的两个月或更长时间内不吃不喝，全心尽力用自己的身体给后代取暖。孵卵时，雄企鹅将卵放在两脚的蹼上并用肚皮盖住，在这其间，雄企鹅的体重将减轻11公斤。 Penguin （... 阅读全文>>

日期：2007-09-22 Pushing Life's Limits September 29, 2000 John R. Wilmoth, a demographer (人口统计学家) at the University of California, Berkeley, has collected a wealth of data on humankind's increasing longevity (寿命) over the past two centuries. And this week in... 阅读全文>>

日期：2007-09-22 Alternative medicine growing in popularity 导读 ： 替代治疗在美国变得越来越流行。在接受调查的31000人中，超过 1/3的人用过替代治疗。这些替代疗法包括瑜珈、冥想、草药、特殊饮食甚至祷告。根专家介绍，有些背离传统医学的治疗方法有时也会有副作用。 May 28, 20... 阅读全文>>

日期：2007-09-22 Study: Asian Suicide Rate Higher in Women 导读 ：通常，男人比女人的自杀率高得多。但是在亚洲的发展中国家，年轻女性的自杀率远高于男子。她们容易自杀的原因可能是缺少教育、包办婚姻、失恋等。另一方面，这些亚洲女性的自杀方式和西方女性有很大不同，她们更倾向... 阅读全文>>

日期：2007-09-22 What is Blood Pressure? Blood is carried from the heart to all parts of your body in vessels called arteries. Blood pressure is the force of the blood pushing against the walls of the arteries. Each time the heart beats (about 60-70 times a minute a... 阅读全文>>

日期：2007-09-22 How do I know when my blood pressure is high? For the most part, you can't tell if you have high blood pressure (通常,你并不知道自已是否患了高血压), and most hypertensive people (高血压患者) have no symptoms. So the only way to find out if it's high... 阅读全文>>