Gauss, who could have done the computations that we perform in this article, did not realize that the problem of consistency had been solved, perhaps because he was trying to answer the question, ‘Which surface
In the 1800s, there were no blue recycling bins, no sorting, no recycling trucks rumbling down the alley. Recycling as we know it didn’t exist. But people were way better at it. “People recycled far more than we do now,” says Susan Strasser, author of Waste and Want: A Social ...
South America’s Aconcagua, Africa’s Kilimanjaro and Antarctica’s Vinson Massif.He is an expert rock and ice climber, having scaled EL Captain in Yosemite National Park.When he was 16, he attended a school that taught blind people to be independent.One day, a group went rock-climbing...
Do cavemen still exist? The answer isyes, our ancestors lived in caves. At least some did, though not permanently. ... Both Neanderthals and modern humans built structures inside caves and at rock shelters to make the place more comfortable. But here is the problem with caves and rock shel...