World

What is the story of the New York getting its name?

World

Why are two sides of a coin called head and tail? Where are its roots?

How things work

Why does a boomerang return to its thrower? What's the science behind it?

World

Which are the ten smallest countries in the world measured in terms of area?

World

Which country has the oldest army still in active service?

Science and Technology

Why ships and airplanes measure speed in nautical miles (knots) rather than miles and kilometers?