| Number of Questions: | 25 |
| Estimated Time (in minutes): | 6.25 |
| Type | Multiple Choice |
A healthy person has 6,000 million, million, million haemoglobin molecules.
10 percent of all human beings ever born are alive at this very moment.
One million, million, million, million, millionth of a second after the Big Bang the Universe was the size of a …pea.
The speed of light is generally rounded down to 186,000 miles per second. In exact terms it is 299,792,458 m/s (metres per second – that is equal to 186,287.49 miles per second).
Christian Barnard performed the first heart transplant in 1967 - the patient lived for 18 days.
Microbial life can survive on the cooling rods of a nuclear reactor.
The longest glacier in Antarctica, the Almbert glacier, is 250 miles long and 40 miles wide.
The saturn V rocket which carried man to the Moon develops power equivalent to fifty 747 jumbo jets.