Tuberculosis may have been stalking humanity for 70,000 years

Tuberculosis is one of the most common infectious diseases on the planet: about a third of the current global population has had TB. It's also one of the most deadly. Left untreated, it kills about half of all those it infects. Now it seems the disease could date back to humanity's origins in Africa. » 9/01/13 3:30pm 9/01/13 3:30pm

Your Cat Is Trying to Kill You Again, Part II: The Quickening

Remember how your cat was waging a long-con, biological war on you? And then — with suspicious abruptness — it wasn’t waging war on you anymore and you were like, “But I could have sworn...” uneasily returning to your household chores with a creeping feeling that your cat hadn’t abandoned its murderous plans? Well, it… » 6/30/13 4:30pm 6/30/13 4:30pm