1) A newborn kangaroo is about 1 inch (2.5 centimeters) long and weighs less than a gram.

2) The game of baseball, often referred to as "America's pastime," is played between two teams of nine players and has a rich history dating back to the 18th century.

3) The Battle of Waterloo in 1815 marked the final defeat of Napoleon Bonaparte and the end of his reign as Emperor of France.

4) A single bolt of lightning can heat the surrounding air to temperatures five times hotter than the surface of the sun.