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In 1992, Peter Tsai invented the N95 mask filter
In 1992 a student found a set of fossilised footprints from the earliest vertebrate
In 1963, Dr Jose Barraquer Moner performed the first eye surgery to fix short-sightedness.
In 1974, Ghana pioneered a new system, to help immunise against serious diseases
How the drug tamoxifen became a global success in breast cancer treatment
In 1975, Richard Neave invented a method to rebuild the face of an Egyptian mummy
James Watson and Francis Crick published their discoveries about DNA on 25 April 1953
In 1958, Stanislav Brebera invented Semtex, a malleable and odourless plastic explosive
A student discovered fossils in 1967 helping our understanding of the world's evolution
The discovery of the Higgs Boson by scientists at CERN using the Large Hadron Collider
The discovery by Dr George Papanicolaou in 1928 which led to the smear test
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
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
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
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
Winner of two Nobel prizes for her pioneering research into radioactivity
Thousands of scientists moved to deepest Siberia to dedicate their lives to research.
