The quandary: The hotter solar cells get, the less efficiently they convert sunlight to electricity; The fix: A new transparent overlay allows light to hit the cells while shunting heat away Date ...

The hotter solar cells become, the less efficient they are at converting sunlight to electricity, a problem that has long vexed the solar industry. Now, Stanford engineers have developed a ...

Exposure to sunlight can have a lasting impact on overall health, according to critical care physician Dr. Roger Seheult. He shares his tips for balancing the benefits and risks.