Indoor light is an untapped source of energy for billions of small electronics. Devices like remote controls, keyboards, smoke alarms, and sensors spend their entire lifetimes in lit spaces but rely ...

An array of graphene-silicon solar cells provides enough power to continuously supply small devices unconnected from the ...

Today, in many places around the world, Halloween celebrations will take place.  The spooky holiday culminates with costumes, ...

CNN's Eileen O'Connor discusses the Capitol Hill hearing on stem cell research. Washington (CNN) -- Advocates for stem cell research told U.S. Senators on Capitol Hill Thursday it ...

NORFOLK, Va. - The debate over the ethics of stem-cell research intensified Wednesday with word that Virginia scientists have created human embryos in the lab solely for the valuable cells. Medical ...