Breakthroughs in science, technology and health
The discovery by Dr George Papanicolaou in 1928 which led to the smear test
Michael Foale was on board the Mir space station when a resupply vessel crashed into it
What was the first cloned mammal like and why did she die young?
Andrew Wiles on solving the problem which had intrigued mathematicians for centuries
When it began sending images back to Nasa they were out of focus - Mike Weiss fixed it
One of the most popular computer games ever was invented in Moscow in 1984
Californian computer enthusiasts met to share ideas - including the founders of Apple
Daisuke Inoue was playing in a band in Kobe Japan when he invented the Karaoke machine
Fred Haise, one of the Apollo 13 astronauts, describes the moment disaster struck in 1970
The first spacecraft to go to Mars left Earth in November 1964
It was once one of the most feared diseases in the world - disfiguring and often deadly
A book that helped launch the green movement highlighted the damage caused by pesticides
The first man in space became a hero and a poster boy for Soviet achievement
The USA sent two monkeys into space and brought them back alive for the first time
American scientists announced they had an effective vaccine against polio in April 1955
Cells taken from an African American woman in 1951 revolutionised medical science
The scientist produced an x-ray photograph in 1951 that helped show the structure of DNA
Meticulously recorded levels of CO2 in the atmosphere show how our climate is changing
The first ever nuclear weapon was detonated by scientists in the USA on 16 July 1945
How the rise of Hitler forced great physicists such as Max Born out of 1930s Germany
Auguste Deter's tragic case led to the discovery of Alzheimer's disease
Winner of two Nobel prizes for her pioneering research into radioactivity