This evolutionary bottleneck might have led to the emergence of a new species, Homo heidelbergensis,(Photo by Cristina Arias/Cover/Getty Images <ul> <li>Early human ancestors faced near-extinction b… [+2613 chars]
When its all done, the full stack of the Space Shuttle launch system will stand 200 feet (61 meters) tall, becoming the
TOKYO As China's economy continues to grow at a slower pace than in recent decades, Chinese businesses and households ar
When Meiklejohn started college at Brown in 2004, she discovered cryptography. This branch of computer science appealed
