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

2) The FIFA World Cup is the most-watched sporting event globally, with billions of viewers tuning in for the tournament held every four years.

3) The Pacific Ocean is the largest ocean on Earth, covering more than 30% of the planet's surface.

4) The national animal of Australia is the kangaroo.