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How two physicists linked the problem of interference on their TV screen to the Big Bang.
Why a hair of the dog works; how a 5,000-year-old pot could show early animation.
Featuring an inventor who was strangled by his own invention. Read by Toby Longworth.
Y diweddaraf o'r byd ffermio gyda Dei Tomos. The latest farming news with Dei Tomos.
Can vegetarianism reduce the effects of global warming?
Can population growth be managed if consumption and emission levels are reduced?
The rural news magazine for those who live and work in the Welsh countryside.
How has Romanian agricultural science reinvented itself after the 1989 Revolution?
A.C.Grayling speaks to the world's leading climate change scientist Rajendra Pachauri.
The internal combustion engine, hailed as the answer to pollution in London, is born.
A weekly look at farming, food and countryside issues, including business news.
Anna Hill speaks to the scientist who has grown meat in the laboratory for the first time.
Charlotte Smith hears how 3,000 unregulated overflow pipes are pumping sewage into rivers.
Charlotte Smith asks why buying British food is such a minefield.
Sustainable agriculture is better for the environment, but will it feed the world?
Geoff Watts explores the relationship between global warming and a changing population.
Rhaglen gylchgrawn ar fyd nature. Nature programme with music and chat.
Cyfle i glywed rhai o bigion 'Galwad Cynnar' eto. Highlights from Galwad Cynnar.
Richard Daniel and his team discuss listeners' questions about the natural world.
An irreverent look at the world through scientists' eyes. With Brian Cox and Robin Ince.
Geoff Watts looks back on the 150 years since Darwin's Origin of Species was published.
Lionel Kelleway explores the important benefits of ivy to British wildlife.
The scientific impact of 'Climategate'; deep Ocean survey; drilling earthquake zones.
Psychoanalyst Michael Brearley delivers a talk about the nature of leadership.
Mike goes on a US road trip, stopping to meet an inventor, a car dealer and a helpful man
Matt Baker finds how the River Clyde is being prevented from flooding Glasgow.