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…
7 min read I ONCE DATED a guy who seemed pretty perfect... for a while, anyway. We laughed at each other’s jokes and shared similar hobbies. He was attentive on dates, and I was always looking forward to his texts. Then, one day, he stopped responding. No explanation, no heads-up–nothing. I was left confused, overthinking
Credit: CC0 Public Domain In the United States, 1 in every 250 people has inherited a genetic variant that leads to dangerously high cholesterol levels from birth. If high cholesterol isn't lowered early, people with this genetic condition, called familial hypercholesterolemia (FH), have a high risk of having a heart attack or stroke as early
I was officially diagnosed with Lupus in May of 2021. I say officially because my symptoms started long before that, I just didn't know it. Lupus is a chronic autoimmune disease that can cause inflammation and pain in different parts of the body. Your immune system is meant to help your body fight infection. But