Longest living cells in the body
The longest living cells in the body are brain cells which can live an entire lifetime.
More Science Facts
The largest flying animal was the pterosaur which lived 70 million years ago. This reptile had a wing span of 36-39 feet (11-11.9 meters) and weighed 190-250 pounds (86-113.5 kilograms).
The Hubble Space Telescope weighs 12 tons (10,896 kilograms), is 43 feet (13.1 meters) long, and cost $2.1 billion to originally build.
40 to 50 percent of body heat can be lost through the head (no hat) as a result of its extensive circulatory network.