Tumbleweeds originated in Russia and Siberia and they were brought to the United States in the 1870s, hidden among imported flax seeds. It only took 20 years for the plants to spread throughout the western United States and parts of Canada.
Researchers suggest detecting “Daisy Worlds”—self-regulating biospheres—by analyzing information flow between life and planetary conditions. Using Semantic Information Theory, they aim to find "agnostic biosignatures," signs of life beyond trad
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
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.
