| Number of Questions: | 25 |
| Estimated Time (in minutes): | 6.25 |
| Type | Multiple Choice |
Micro-organisms have been brought back to life after being frozen in perma-frost for three million years.
The Universe contains over 100 billion galaxies.
Somewhere in the flicker of a badly tuned TV set is the background radiation from the Big Bang.
Wounds infested with maggots heal quickly and without spread of gangrene or other infection.
Astronauts cannot belch - there is no gravity to separate liquid from gas in their stomachs.
At over 2000 kilometres long The Great Barrier Reef is the largest living structure on Earth.
Each person sheds 40lbs of skin in his or her lifetime.
A healthy person has 6,000 million, million, million haemoglobin molecules.