A crowd does not need a leader to fall into step. In public spaces, people sort themselves into lanes, avoid collisions, and ...

Put a small crowd of people in an open space and ask them to walk around, and something odd happens. They do not move as ...

Even when they placed patches over the left or right eye of participants, the bias remained the same, suggesting it was not a ...

This week's question comes from Morning Brief reader Robert, who asks, "Do tornadoes rotate clockwise or counterclockwise? And why?" Meteorologist Jonathan Belles: The answer is both. Low pressure ...