The Mongols Created the First International Postal System
Genghis Khan established the Yam (postal system), which allowed for fast, reliable communication across the vast Mongol Empire. Riders could travel 200 miles per day using relay stations.
Butterflies can not taste through their mouthparts. They also do not have mouthparts that can bite and chew, instead they have a long thin tubular structure that acts like a straw.
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
Mount Everest is growing every year. The high erosion of the combined rivers supercharged Everest's growth, adding around two millimeters of additional height each year.
The James Webb Telescope found ancient quasars powered by massive black holes from 13 billion years ago in isolated regions, challenging growth theories. Their rapid formation with limited surrounding material raises questions about black hole evolution
