The tsunami that hit Japan in March killed 20,000 people, so that nation is now thinking seriously about how to prepare for this type of disaster. A company called Cosmo Power has responded by developing a floating fiber...

On its face, April Fools’ Day seems like a lighthearted opportunity to play practical jokes and pranks on your friends and coworkers, but it’s easy to see the problem with having such a wacky day filled with...