Visitors crowd South Pole for anniversary of conquest

Norwegian Prime Minister Jens Stoltenberg will join dozens of adventurers at the South Pole this week to mark the 100th anniversary of countryman Roald Amundsen's groundbreaking expedition to the frozen continent.

What makes a hero?

(PhysOrg.com) -- New research at Newcastle University shows that it's not enough to be noble and do a courageous act to be considered a hero. Studying the reactions of the public to five tales of heroism, researchers at Newcastle ...