Analysis of polar bear DNA shows they’re an ancient species with a tangled history

A scan of polar bear DNA has shown that polar bears came into existence far earlier than previously assumed. Working with fossils alone, scientists had thought that polar bears, after intermingling with brown bears, made their first snowy white appearance anywhere between 60,000 to 600,000 years ago. But a genetic… »7/24/12 4:20pm

Mind-reading helmet could help interrogators distinguish friend from foe

Criminals and captured enemy combatants who pride themselves on their ability to withstand tough interrogations could be in for a bit of a surprise. U.S. based company Veritas Scientific is developing an EEG helmet that will pick up on the unique signatures emitted by a person's brain, allowing interrogators to pick… »7/11/12 1:41pm