News
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EarthThree Gorges Dam is affecting ocean life
Oceanographic surveys suggest that China's Three Gorges Dam is already influencing biological productivity in the East China Sea, even though the structure is still under construction.
By Sid Perkins -
Cancer gene is also important for growth
A certain tumor-suppressing gene appears to also control development in immature animals.
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TechRounding out an insect-eye view
A new humanmade version of an insect's compound eye could perform like the real thing.
By Peter Weiss -
HumansRoads pose growing danger in poor countries
Although roads are getting safer in many developed countries, traffic accidents are a rising and underestimated killer worldwide.