The First Supernovas May Have Drenched the Universe in Water

The First Supernovas May Have Drenched the Universe in Water

The universe didn’t start with water. No cosmic waterfalls, no space puddles—just an endless expanse of hydrogen, helium, and a lonely dash of lithium. But then came the first stars, massive and short-lived, detonating in supernova tantrums. And in their fiery deaths,...
Crickets vs. Parasitic Flies: Nature’s Quietest Arms Race

Crickets vs. Parasitic Flies: Nature’s Quietest Arms Race

Hawaii’s male crickets thought they had outwitted their winged stalkers. They evolved a subtle, purring mating call—less rock concert, more whispered romance. The goal? Attract females without inviting a gruesome death. But evolution is rarely a one-sided affair. The...