A hummingbirds heart beats 1,260 times per minute.
The surface speed record on the moon is 10.56 miles per hour. It was set with the lunar rover.
The oldest multicellular fossils date from ~700 million years ago.
There are more beetles than any other kind of creature in the world.
Pluto is no longer considered a planet. It is now known as a "Dwarf Planet".
When Joseph Gayetty invented toilet paper in 1857, he had his name printed on each sheet.
The most popular name for a male cat is Tiger and female Samantha.
The honey bee is the only bee that dies after stinging.
Chimps are the only animals that can recognize themselves in a mirror.
The shark has to keep moving to stay alive.