NASA Orders All Light Bulbs on Space Station Changed – But You’ll Never Guess Why

By Liz Klimas, The Blaze

Before we get into the “how many astronauts does it take to screw in a light bulb” jokes, let’s ask first why NASA is embarking on a mission to replace all the lights on the International Space Station (ISS).

Turns out they’re burned out – not the light bulbs necessarily (well, some of them) but the astronauts. According to an article in Scientific American, regardless of the pills they pop, relaxation methods they employ and “sleep hygiene” classes they take, astronauts on the ISS are only getting an average of six hours of sleep each night. Continue reading