In a laboratory under the Swiss Alps, a 17-mile (27-kilometer) circular particle accelerator—the world's largest—may help answer the oldest questions known to humans.
A Picher, Oklahoma, man describes waiting an "eternity" as a tornado lifted his house with his family inside. They survived, but the twister killed seven.
Buddhist monks and Myanmar (Burma) government workers began cleaning the cyclone-struck city of Yangon (Rangoon). But the situation remains grim in the country's delta region. Warning: graphic imagery.
Watch young chimpanzees beat Japanese college students in a short-term-memory test by a wide margin—raising questions about primate intelligence and evolution.
Lost families and lack of aid figure prominently in emotional eyewitness testimony from Myanmar (Burma), where Cyclone Nargis may have killed a hundred thousand people.
The world's largest group of orangutans in Indonesia may face extinction by 2011 because of palm oil plantation expansion, which is destroying habitat, experts say.