World's largest religious gathering in India underway as hundreds of millions visit 45-day festival
The largest religious gathering in the world is taking place in India from Jan. 13 to Feb. 26. It is a significant test for ...
Crowds can suddenly turn deadly. New research has clues that could prevent disaster.
Watching a concert or a sports event alongside thousands of other people can be both exhilarating and dangerous, and researchers now have new theories about how people behave when they get too close ...