Ancient Roman concrete arches contained volcanic ash, which helped them self-heal when cracks formed by reacting with water. This made them incredibly durable, lasting for millennia. nudes
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
In 1518, a Town Danced Itself to Death
The Dancing Plague of 1518 struck Strasbourg, France, where hundreds of people danced uncontrollably for days without stopping. Some died from exhaustion and heart failure. Historians believe it was caused by mass
"Et tu, Brute?" is attributed to Julius Caesar during his assassination. However, historians debate whether he actually said anything. Some believe he may have uttered Greek phrases or nothing at all. Shakespeare coined the phrase, but the exact words
Ketchup was originally sold as a medicine in the 1830s. It was marketed as a cure for various ailments before becoming the popular condiment we know today.
China is developing the Haolong reusable cargo shuttle for supporting the Tiangong space station. The shuttle will launch on rockets, dock in orbit, and return via horizontal landing. Designed for efficiency and reuse, it advances China's commercial spa