As the earth warms, ice melts, and it occasionally gives up things we'd rather it didn't. A study of ice from a nearly 15,000-year-old Tibetan glacier suggests that it may contain a variety of viruses that have never been seen before. The viruses discovered thus far are unlikely to infect people, let alone endanger our health, but we don't know what else is out there. "These … [Read more...] about Viruses Discovered in 15,000-Year-Old Tibetan Glacier Ice Are Unlike Anything Seen Before