Scientists Have Confirmed the Heaviest Metal Ever Observed: Ununseptium

An international team of researchers has just published a paper confirming the existence of element number 117—ununseptium. It's the heaviest element ever created, with an atom of ununseptium outweighing an atom of lead by 40 percent. Make some room on your periodic table, there's a new metal in town. » 5/03/14 4:13pm 5/03/14 4:13pm

Is it really worth having your gut bacteria tested?

How much can you learn about your health from a dab of poop or a swab from your skin or mouth? With various scientific researchers offering to test your microbiome for a fee, it's natural to be curious about the trillions of microbes living in your body. But is it worthwhile to get tested yourself, and what can… » 1/23/14 11:00am 1/23/14 11:00am