If you were lucky 74,000 years ago, you would have survived the Toba supereruption^[1], one of the largest catastrophic events that Earth has seen in the past 2.5 million years.

While the volcano is located in what’s now Indonesia, living organisms across

For athletes across all sports, few experiences are as agonizing as being forced to leave competition with a sudden muscle cramp. These painful, uncontrolled spasms – formally known as exercise-associated muscle cramps^[1] – have frustrated athletes, coaches

In “The Singularity is Nearer: When We Merge with AI^[1],” the futurist Ray Kurzweil^[2] imagines the point in 2045 when rapid technological progress crosses a threshold as humans merge with machines, an event he calls “the singularity.”

Although

Finding life beyond the Earth would be a major scientific discovery with significant implications for all areas of science and human thought. Yet, only one direct search for extraterrestrial life has ever been conducted.

Even if you don’t recall many facts from high school biology, you likely remember the cells required for making babies: egg and sperm. Maybe you can picture a swarm of sperm cells battling each other in a race to be the first to penetrate the egg.