Stashed in: Music Videos!, SNL, @katyperry, Michael Jackson, Nirvana!, Mashups, @brunomars
250+ Reddit comments:
Bruno Mars also played Katy Perry on SNL:
Scientists have extended the lifespan of mice by 25% by removing living but stagnant cells body-wide, which slows age-related illnesses.
Tom Kerss on Twitter: "...an amazing but brief moment in history. Humans have operational spacecraft orbiting nine 'worlds' simultaneously!"
Chile is generating so much solar energy that it's giving it away for free.
Gut bacteria make most of the serotonin in your body.