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• E(14 trillion eV )=m(?)c(close to the speed of light ) squared: This fall, the massive Large Hadron Collider beneath France and Switzerland will switch on
• Stranded: A whale of a mystery: Scientists generally agree that sonar can trigger strandings of certain whales, but no one really knows what leads these deep divers to the beach
• Sick and down: To fight off an infection or illness, the body shifts into a slow-down mode that mirrors some symptoms of depression. In fact, scientists now think the immune response itself may even cause the mood disorder.
• This week's table of contents