1) The world's oldest tree is believed to be a bristlecone pine named "Methuselah" in California, estimated to be over 4,800 years old.

2) The world's first paper money was created in China over 1,000 years ago.

3) The speed of a sneeze can reach up to 100 miles per hour (160 kilometers per hour).

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