Science

Mice Run on Exercise Wheels For Fun

To get mice moving in the laboratory, scientists studying the effects of exercise often put them on a wheel. But researchers have long wondered—do mice naturally have the urge to run in the wheel.

Japan Company To Give Maglev Tech To U.S. For Free

Maglev train at Pudong International Airport Shanghai

The Japanese rail operator JR Tokai said it would not charge the US to license its proprietary “maglev” technology, which allows trains to hover about 4 inches (10 centimeters) above tracks and travel at speeds of 310 mph (500 kph), according to Nikkei.…