文章列表

• 1.陨石或曾为地球带来维生素B3
• Ancient Earth might have had an extraterrestrial supply of vitamin B3 delivered by carbon-rich meteorites, according to a new analysis by NASA-funded ...
• 2.黑猩猩喜欢栖息于坚固稳定的树枝上
• Chimpanzees may select a certain type of wood, Ugandan Ironwood, over other options for its firm, stable, and resilient properties to make their bed, ...
• 3.东非蜜蜂暂未受入侵物种影响
• Several parasites and pathogens that devastate honeybees in Europe, Asia and the United States are spreading across East Africa, but do not appear to ...
• 4.影响美国北方森林的五个人为因素
• In the most densely forested and most densely populated quadrant（象限） of the United States, forests reflect two centuries of human needs, values an...
• 5.帕金森症是否为自体免疫疾病？
• The cause of neuronal death in Parkinson's disease is still unknown, but a new study proposes that neurons may be mistaken for foreign invaders and ki...
• 6.神经网络是重置生物钟的关键
• Fruit flies are pretty predictable when it comes to scheduling their days, with peaks of activity at dawn and dusk and rest times in between. Now, res...
• 7.濒危物种急需备选辨认方法
• In a time of global climate change and rapidly disappearing habitat critical to the survival of countless endangered species, there is a heightened se...
• 8.美国西部森林火灾逐渐严重与频繁
• Wildfires across the western United States have been getting bigger and more frequent over the last 30 years -- a trend that could continue as climate...
• 9.深海温度与冰雪容积共同影响冰河时期
• An international team of scientists has discovered new relationships between deep-sea temperature and ice-volume changes to provide crucial new inform...
• 10.内应力决定细胞的形状
• From far away, the top of a leaf looks like one seamless surface; however, up close, that smooth exterior is actually made up of a patchwork（拼缀物）...