TOP 100 SCIENCE SITES
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| Atomic clock accurates to second in 200-plus mln years U.S. physicists have made a new atomic clock so accurate that it will neither gain nor lose even a second in more than 200 million years, media reported Monday. The clock outperforms the official atomic clock used by the U.S. Commerc ... english.people.com.cn |
Sociable, and Smart In spotted hyenas, scientists are finding clues to why the human brain grew so large and complex. nytimes.com |
Johnson tries to defuse embryos bill crisis Crisis over whether dissenting MPs should vote against the human embryology and fertilisation bill guardian.co.uk |
Melting Causes Lake in Chile to Empty SANTIAGO, Chile (AP) -- Melting ice in southern Chile caused a glacial lake to swell and then empty suddenly, sending a "tsunami" rolling through a river, a scientist said Thursday. No one was injured in the remote region.... hosted.ap.org |
U.S. scientists map first nanoscale image of soil Researchers from Cornell University has looked "closely" at the soil for the first time -- at a scale of 50 nanometers, revealing an incredible variety of organic compounds in it, reported the April issue of Nature Geoscience which is avail ... english.people.com.cn |