In the summer of 1967, a 24-year-old PhD student at the University of Cambridge noticed something unusual hidden within ...
A German alchemist named Hennig Brand sought gold in 1669. He used large amounts of urine in his experiments. Instead of gold ...
Every year, scientists venture into Earth’s most remote corners — from the crushing depths of ocean trenches to the misty canopies of cloud forests — and return with remarkable discoveries that ...