The brain of adult men is approximately 10% larger than that of women. Because men are typically taller and have more muscle mass than women, their brains require more neurons to control the body.
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.
Astronomers found white dwarf-main sequence binaries in young star clusters using machine learning and Gaia data. The 52 candidates provide insights into stellar evolution, Type Ia supernovae, and gravitational waves, linking early and late binary star p
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
