Humans have been leaving their mark upon Earth for almost as long as we’ve existed. But over the last 70 years — little more than moments in the 300,000-year history of Homo sapiens — the amount of ...
In fiction, magic makes levitation easy. With a simple swish-and-flick of his wand, Ron Weasley yanks a troll’s club high above its head in Harry Potter and the Sorcerer’s Stone. Through graceful ...