Big sperm don't always win the race

When females mate with more than one male, each one's sperm has to compete to get to her eggs. Until now, researchers had thought the fastest sperm would dominate.

Work begins on Calif. bullet train, locals angry (Update)

Trucks loaded with tomatoes, milk and almonds clog the two main highways that bisect California's farm heartland, carrying goods to millions along the Pacific Coast and beyond. This dusty stretch of land is the starting point ...

70% of Americans have high-speed Internet

The percentage of Americans with high-speed Internet connections at home has reached 70 percent, while just three percent still use dial-up to go online, a study showed Monday.

A robot to beat humans at foosball

At first glance, the foosball table located in the middle of the Automatic Control Laboratory looks perfectly normal. Looks can be deceiving. In defense, one of the levers has a mechanical arm capable of propelling the ball ...

Titan Aerospace readies solar-powered, long-endurance UAVs

(Phys.org) —A New Mexico company, Titan Aerospace, founded in 2012, is taking a serious step in launching unmanned aircraft that can function as satellites but at far less cost. Making news earlier this month at the Association ...

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