A goldfish (like most marine fish) can survive in a tank full of human blood.
Muscles are made up of bundles from about 5 in the eyelid to about 200 in the buttock muscle.
The Methuselah tree in California, USA, is the oldest living organism (4,800 years old) known today.
A car traveling 100 mph would take more than 29 million years to reach the nearest star.
The first electronic digital computer (called ENIAC - the Electronic Numerical Integrator and Calculator) was developed in 1946 and contained over 18,000 vacuum tubes.
The smallest island with country status is Pitcairn in Polynesia, at just 1.75 sq miles/4,53 sq km.
An Octopus has three hearts.
DNA unravels at 7000 RPM (revolutions per minute).
In Papua New Guinea there are villages within five miles of each other which speak different languages.
The female preying mantis initiates sex by ripping the males head off.