TOP 100 SCIENCE SITES
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| Mystery Solved: This Hummingbird Chirps With Its Tail A male Anna’s hummingbird emits a loud and quick chirp during its mating display by using its tail. nytimes.com |
China develops new generation of high-speed trains The Ministry of Science and Technology and the Ministry of Railway signed the "China high-speed train joint action plan for independent innovation cooperation agreement" on February 26 in Beijing; and decided to develop a new generation of ... english.people.com.cn |
Grand Canyon Flood Shows Signs Of Success A manmade flood designed to nourish the ecosystem of the Colorado River has created new sandbars in the Grand Canyon ranging in size from small nooks and crannies to ones as large as football fields, an official said. feeds.cbsnews.com |
Observatory: From a Burial Pit in Southern Peru, a Golden Oldie Archaeologists have discovered what appears to be the oldest example of worked gold ever found in the Americas. nytimes.com |
Climate Change Threatens Predator and Prey A team of biologists has been closely monitoring Isle Royale's moose and wolves for five decades. Both species have had ups and downs, but now may be facing their biggest threat so far from global warming. feeds.cbsnews.com |