Feathery white lines of condensation left behind airplanes, known as contrails, add to warming the planet. A new study suggests artificial intelligence could dramatically reduce them.
In four years of digging, the team of archaeologists have unearthed 43 human skeletons and more than 100,000 artifacts.
The Rich Earth Institute in Vermont collects, pasteurizes and distributes recycled human urine as agricultural fertilizer, to return precious nutrients and minerals to the soil. Pee jokes are an occupational hazard.
Researchers around the world are studying the use of recycled human urine as agricultural fertilizer, to return precious nutrients and minerals to the soil. Correspondent Faith Salie talks with representatives of the Rich Earth Institute about the process of collecting, pasteurizing and distributing massive quantities of pee, and with farmers and gardeners in Vermont who are using urine on their land.
The researchers determined it predated T. rex by up to 7 million years, showing that tyrannosaurs were in North America long before paleontologists previously thought.
Exactly why the great ape died off after flourishing for hundreds of thousands of years has been one of the lasting mysteries of paleontology.
A breakdown of the numbers and elements that made 2023 the hottest year on record paints a picture of what's to come.
The findings come from a huge project to compare modern DNA with that culled from ancient humans' teeth and bones.
How can you avoid microplastics and nanoplastics lurking in plastic water bottles? Experts share tips and explain the potential health concerns.
Scientists at Columbia and Rutgers have found that bottled water contains high amounts of nanoplastics. There is concern among some scientists that nanoplastics could be small enough to enter the bloodstream and be transported to organs, including the brain. David Schechter reports.
