In the ninth century A.D., the Maya abandoned the great city of Tikal after hundreds of years of prosperity and expansion. Researchers have long sought to explain how and why the city collapsed, but despite extensive study of the site, unanswered questions remain. Continue reading Why Did the Maya Abandon the Ancient City of Tikal?
The coronavirus pandemic is shutting down industrial activity and temporarily slashing air pollution levels around the world, satellite imagery from the European Space Agency shows. Continue reading The Pandemic Has Led to a Huge, Global Drop in Air Pollution
Humans love plastic. We put it on and in everything from food wraps to face wash, and in doing so we also send it off to distant oceans and the dusty corners of our homes in the form of microplastics. Continue reading There’s plastic in your poop, but we have no idea how dangerous that is
Daimler AG, the automaker which produces the Mercedes-Benz line of luxury vehicles, is facing growing scrutiny after US investigators reportedly found that it installed software to cheat diesel emissions tests on cars, Bloomberg and Reuters reported.
Something weird is going on with human sperm production. For decades, scientists have warned that sperm counts are dropping among Western men, but no one has really been able to prove it. In what is now the largest and most comprehensive study of its kind, scientists have presented compelling evidence in support of this rather alarming assertion, showing that sperm counts have dropped more than 50 percent in just four decades.
Planned cuts at the Environmental Protection Agency are set to fall heaviest upon communities of color across the US that already suffer disproportionately from toxic pollution, green groups have warned.