Earth’s magnetic poles flip roughly every 200k to 300k years, but the last reversal was about 780k years ago. Some scientists think we’re overdue, but the timing is unpredictable and could take thousands of years. A flip might disrupt technology and
Chimpanzees Use Leaves as Hygiene Tools
Wild chimpanzees have been observed chewing leaves to clean themselves and treat wounds—a behavior once thought uniquely human and a sign of basic health care in animals
You've probably heard that feminists burned their bras in the 1970s, but that's not true. This myth arose when feminists protested at the Miss America Pageant in Atlantic City in 1968, and they symbolically threw objects that they felt were confining i
Various observations of distant galaxies have shown that the universe is expanding at an enormous rate. Other data show that it is gradually cooling, leading to the possibility that the universe will end when it freezes.
