Top News Online

Renewable energy has been of increasing interest as the dwindling supply of easily accessible fossil fuels pushes us toward dirtier sources of oil and natural gas. Researchers are constantly pushing the boundaries of what solar cells and wind turbines are capable of, but the constraints of land and weather limit where vast solar or wind farms can be set up. ...

Andy Ryan/Getty Images Pilots with a high body mass index will need to be screened for sleep apnea before they are given medical certification to fly, the FAA announced. Plus-size pilots are getting a wake-up call from the Federal Aviation Administration, in the form of a new policy that would bar those with sleep apnea from flying. The airway-obstructing sleep ...