• Evolution of sleep

    12-12-10 Sleep is very ancient. In the electroencephalographic(脑点图仪的) sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evidence that the two types of sleep, dr...

  • Life in the Country

    12-11-15 If I could make a change in my life I would live far far out in the country. That way I could realize my dream to run an animal shelter. The shelter I would own would be no-kill shelters. The only way an animal would die in my shelter would be if it...

  • 大象有四种性格助其生存

    12-11-02 Elephants have four distinct personalities that help their herd survive in the African bush, scientists have found. 科学家发现,大象有四种性格,帮助它们的群落在非洲丛林中生存下来。 With their grey skin, mournful eyes and slow plodding(沉重缓慢的)...

  • 海绵动物体内发现神经系统进化历程

    12-06-19 UC Santa Barbara scientists turned to the simple sponge to find clues about the evolution of the complex nervous system and found that, but for a mechanism that coordinates the expression of genes that lead to the formation of neural synapses(突触...

  • 家马的进化之谜被解开

    12-05-08 New research indicates that domestic horses originated in the steppes(大草原) of modern-day Ukraine, southwest Russia and west Kazakhstan, mixing with local wild stocks as they spread throughout Europe and Asia. The research was published 07 May,...

  • 环境中毒素对生物的影响长达几代

    12-03-05 A Washington State University researcher has demonstrated that a variety of environmental toxicants can have negative effects on not just an exposed animal but the next three generations of its offspring. The animal's DNA sequence remains unchanged,...

  • 酒精如何使人上瘾

    12-01-12 Drinking alcohol leads to the release of endorphins(内啡肽) in areas of the brain that produce feelings of pleasure and reward, according to a study led by researchers at the Ernest Gallo Clinic and Research Center at the University of California,...

  • 错误的记忆也有有利影响

    11-10-06 False memories tend to get a bad rap, says developmental psychologist Mark L. Howe, of Lancaster University in England. Indeed, remembering events incorrectly or remembering events that didn't happen can have grave consequences, such as the criminal...

  • 野生动物对气候变化反应迅速

    11-08-19 New research by scientists in the Department of Biology at the University of York shows that species have responded to climate change up to three times faster than previously appreciated. These results are published in the latest issue of the leadin...

  • 科学家发现制作人类源性明胶新方法

    11-07-14 Scientists are reporting development of a new approach for producing large quantities of human- derived(导出的,衍生的) gelatin(明胶,动物胶) that could become a substitute for some of the 300,000 tons of animal-based gelatin produced annually f...