The continual breaking of World Records is the result of complex interactions between genetics, talent, equipment, training and nutrition.
Jamaican Usain Bolt is often hailed as the greatest athlete of all time. But when you crunch the numbers, his name doesn't come top of the list.
Have we reached peak human?
A 1992 paper predicted that if women's running performance continued to improve as rapidly as it had since the 1920s, top women athletes would soon be running as quickly as the men.
These athletes have the strength, speed and spring to jump over 18 metres.
The chance discovery of an enormous stick insect has led to a breeding program that might lead to a world record for Australia.
One of the engineers behind Bloodhound, the UK's anticipated world land speed record attempt, explains how they created a car to reach 1000mph.
Your guide to the events to watch and the athletes to follow in Beijing.
One day in 1995, one man jumped farther than anyone else, before or since. How did he do it?