Humans migrated to South America in three distinct waves over the course of thousands of years, a new large-scale analysis of Indigenous Americans’ DNA reveals....
Indigenous people in the western United States invented dice more than 12,000 years ago, offering archaeologists the world’s oldest evidence of gambling and possibly the...
Dan Weissmann Health insurance is out of reach for millions of Americans this year. Many are making difficult decisions about how to pay for coverage...
For most of modern medical history, scientists have framed infectious disease as having two possible outcomes: recovery or death. You either get better, or you...