Butterflies have good eyesight within 10-12 feet, but any farther, things look blurry. They also must rely on ultraviolet colors (invisible to the human eye) to find mates and the right flowers.
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.
Researchers are developing a lunar distress system based on Earth’s COSPAS-SARSAT rescue tech to aid Artemis astronauts. Using a satellite network, it will transmit emergency alerts and track locations in remote areas like the Moon's south pole, enhan
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
Researchers found that unmelted planetesimals delivered crucial volatiles, like zinc, to early Earth, contributing to water's presence. This discovery aids the understanding of how water formed here and may also guide future studies on other planets' p
