Last fall, Caltech and The Feynman Lectures Website joined forces to create an online edition of The Feynman Lectures on Physics. They started with Volume 1. And now they've followed up with Volume 2 and Volume 3, making the collection complete.
Commerce knits the modern world together in a way that nothing else quite does. Almost anything you own these days is the result of a complicated web of global interactions. And there's no better way to depict those interactions than some maps.
According to a Harvard School of Public Health/SSRS poll, 68 percent of the U.S. population believes Ebola spreads 'easily'. Four in 10 are worried there will be a large outbreak in the United States. And a quarter of Americans are afraid the virus will infect them or someone in their families.
German researchers have some advice to the organizers of the 2022 FIFA World Cup in Doha, Qatar: Hold the soccer tournament during the winter. Or, if the matches really must be played during the summer, hold them at night.