Every time you take off from Heathrow, land at JFK, or pass through any major airport, you might be inadvertently announcing ...

The Kardashev Scale, introduced in 1964 by Russian astronomer Nikolai Kardashev, is a framework for ranking civilizations ...

World's highest cycling race showcases China's eco-civilization * The Tour of Magnificent Qinghai, formerly Tour of Qinghai Lake, is now a UCI ProSeries race, renowned for its extreme high-altitude ...