Photo: NASA/JPL/JHUAPL
Asteroid measuring 400 meters in diameter will give scientists best opportunity so far to observe a space rock so large
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Nerves from amputated limb are attached to the remaining muscle
Talks center on an agreement to protect personal information US and Europe exchange while fighting crime and terrorism
Concerns about safety of nuclear power spike after Japan raised severity level of Fukushima Daiichi nuclear plant to highest level
Facebook, Twitter, YouTube being used to point out any fraud in country's elections
Center has identified thousands of websites, blogs, and social networking pages that it says directs online hate
On April 12, 1961, 27-year-old Yuri Gagarin blasted off in sphere-shaped Vostok 1 capsule, made one orbit around Earth
Report gives guidelines for choosing effective and easy to use circumvention tools in countries with high degrees of Internet censorship
Water quality improves in a more diverse ecosystem
International Atomic Energy Agency says accidents very different despite both being classified at nuclear incident scale's highest level
With Russia’s internet users expanding by 10,000 people a day, security officials fret about avast, uncontrolled cyber space
A massive 9.0 earthquake in northeastern cripples Japan's Fukushima nuclear power plant
China with active nuclear power projects put them on hold for review, while Germany and several other countries simply canceled them
In this 2nd segment, we examine how Iran's Bushehr nuclear plant compares with Japan's damaged Fukushima plant
Japan's Fukushima disaster shows safety considerations can become life-or-death matter
