Charles Darwin is an international celebrity, but Gregor Mendel holds the key to heredity.
Royal Physician William Harvey demonstrates that blood circulates around the body.
Albert Einstein develops a theory of relativity with some help from his shaving mirror.
1650: Coffee, Cosmology and the Civil War
The first coffeehouse opens in Oxford and signals the beginning of a new age of reason.
1923 - Traffic Lights and Frozen Food
The story of the man who made us all stop for a moment of peace at traffic lights.
The internal combustion engine, hailed as the answer to pollution in London, is born.
The light bulb and the first moving pictures appeared.
A celebration of the first moon landing and the Welsh people who played vital roles.
The Moon mission that almost ended in tragedy after an explosion on board the spaceship.
Frederick Douglass (Summer Repeat)
Melvyn Bragg and guests discuss the life and ideas of Frederick Douglass, born to slavery
Christian Carlisle takes an in depth look at the rich musical heritage of the region.
The Beagle 2 mission to Mars
A failed attempt to search for signs of life on Mars