Machu Picchu was built by the Incas, one of several cultures that settled in the Central Andes over thousands of years. Matthew Butcher By Elizabeth PennisiMay. 7, 2020 , 12:00 PMSome of the world’s more famous and closely examined archaeological sites pepper the hillsides of the Central Andes, documenting an invention of farming and the…
By Donna Lu This Martian cliff may have been cut by hundreds of thousands of years of water flowing over itFaculty of Geosciences, Utrecht University We know from images of Mars’s surface that the planet once had plenty of flowing water, but now we’ve found the first evidence of a river that flowed there for…
By Colin Barras A dagger from the tomb of the pharaoh Tutankhamun is made of meteoritic ironrobertharding / Alamy The sky is an enormous iron container filled with water and chunks of it occasionally fall off and plummet to Earth as iron meteorites. Or, at least, that’s what ancient Egyptians seem to have thought. Iron…
By Michael Le Page When archaeologists find ancient faeces, knowing who left it is important Tim Wright/Getty Images Dog faeces can still be troublesome thousands of years after being dumped. Archaeologists can end up in deep doodoo if they mistake it for human faeces. But now an artificial intelligence system has been developed to discern…
6 min read Kimmie Ng, M.D., a Boston oncologist, started noticing an alarming trend in her work a few years ago. Men in their 20s, 30s, and 40s—runners, CrossFitters, lifelong nonsmokers—were streaming through her door at the Dana-Farber Cancer Institute. They all appeared lively and strong—yet there they were, battling colorectal cancers, a family of
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3 min read The athletes of the 2026 Milano-Cortina Winter Games will give their all to go for gold on the snow and ice—but first, they'll have a chance to share everything you want to know about their sports while they're on the road. This is the Men's Health Muscle Car. SNOWBOARDER JAKE PATES took