Building a Healthier Britain - 02 Fluoride
Radio 4Adding fluoride to the water supply has always been a polarised debate. Some think it will prevent tooth decay while others say its safety has not been proven. Its not a new argument, 50 years of fluoridation studies are available but recently public health officials of both Scotland and England have revisited the issue. The difference is that Scotland has decided against increasing the amount of fluoride in the water, while in England the Strategic Health Authorities can, after consultation, request that Water Companies add fluoride to an agreed level. Richard Hannaford asks whether science can ever solve this controversy.
The Lopsided Universe - Life Through the Looking Glass
Frank CloseThere's an ass in mythology that stood equidistant between two bunches of carrots. One on its left, the other on its right side. The ass, unable to choose between left and right, starved to death. Luckily for us, life made a decision and didn't perish like Buridan's ass. The molecules that make living things are all handed. What's more they all have the same handedness - but why? Frank Close finds out how a French chemist found the clue to this conundrum at the bottom of a glass of wine a hundred and fifty years ago.
BBC 4Absolute Zero is the ultimate limit of cold – a Holy Grail as exciting for scientists as the North and South Poles were to the great polar explorers. The Conquest of Cold is an epic journey from dark beginnings to an ultra-cool frontier.
BBC 4The Conquest of Cold charts the attempts of many great names in science such as Francis Bacon, Robert Boyle, Michael Faraday and Antoinne Lavoisier to grapple with the perplexing mystery of cold.
Jim Al-KhaliliProfessor Al-Khalili takes us from the discovery of the atom to the development of quantum mechanics
Jim Al-KhaliliThis episode tackles world-changing discoveries such as radioactivity, the Atom Bomb and the Big Bang, and tries to answer the biggest questions of all - why are we here and how were we made?
Jim Al-KhaliliAl-Khalili discovers that there might be parallel universes in which different versions of us exist, and finds out that empty space isn’t empty at all, but seething with activity
BBCThe final part of this series looking at three brilliant contemporary scientists features Sir Tim Hunt, awarded the Nobel Prize for his discovery of the mechanism of how cells divide - a discovery fundamental to the life and growth of every single creature on the planet, as well as a vital clue into the mystery of cancer.
BBCSeries in which Jim Al-Khalili traces the story of how the elements, the building blocks that make up our entire world, were discovered and mapped.He follows in the footsteps of the pioneers who cracked their secrets and created a new science, propelling us into the modern age.
BBCIn part two, Professor Al-Khalili looks at the 19th century chemists who struggled to impose an order on the apparently random world of the elements. From working out how many there were to discovering their unique relationships with each other, the early scientists' bid to decode the hidden order of the elements was driven by false starts and bitter disputes. But ultimately the quest would lead to one of chemistry's most beautiful intellectual creations - the periodic table.
BBCIn the final part, Professor Al-Khalili uncovers tales of success and heartache in the story of chemists' battle to control and combine the elements, and build our modern world. He reveals the dramatic breakthroughs which harnessed their might to release almost unimaginable power, and he journeys to the centre of modern day alchemy, where scientists are attempting to command the extreme forces of nature and create brand new elements.
BBCThe medieval alchemists made elements react to create magnificent shows, enthralling kings and commoners alike, but their secrets were never revealed until now.
BBCIn the second of this year's Christmas Lectures, Dr Peter Wothers drinks from the fountain and finds out whether the elements lurking in the water can restore his youth. Along the way he discovers how exploding balloons could solve the energy crisis, how water contains the remains of the most violent reactions on Earth and that the real secret to eternal youth might be drinking no water at all.
BBCEngineer Jem Stansfield looks back through the Horizon archives to find out how scientists have come to understand and manipulate the materials that built the modern world.
BBCIn a three-part series, Dr Adam Rutherford tells the extraordinary story of the scientific quest to discover the secrets of the cell and of life itself. Every living thing is made of cells, microscopic building blocks of almost unimaginable power and complexity. This episode explores how scientists delved ever deeper into the world of the cell, seeking to reveal the magic ingredient that can spark a bundle of chemicals into life. Their discoveries have brought us to the brink of being able to create life for ourselves.
Nic StaceyChaos theory has a bad name, conjuring up images of unpredictable weather, economic crashes and science gone wrong. But there is a fascinating and hidden side to Chaos, one that scientists are only now beginning to understand.
BBC 4Science writer Dr Gabrielle Walker has been obsessed with ice ever since she first set foot on Arctic sea ice. In this programme she searches out some of the secrets hidden deep within the ice crystal to try to discover how something so ephemeral has the
BBC 2Michael Mosley takes an informative and ambitious journey exploring how the evolution of scientific understanding is intimately interwoven with society's historical path. In this episode, Michael demonstrates how our society is built on our search to find the answer to what makes up everything in the material world. This is a story that moves from the secret labs of the alchemists and their search for gold to the creation of the world's first synthetic dye - mauve - and onto the invention of the transistor. This quest may seem abstract and highly theoretical. Yet it has delivered the greatest impact on humanity. By trying to answer this question, scientists have created theories from elements to atoms, and the strange concepts of quantum physics that underpin our modern, technological world.
BBC 2Michael Mosley takes an informative and ambitious journey exploring how the evolution of scientific understanding is intimately interwoven with society's historical path. We are the most power-hungry generation that has ever lived. This film tells the story of how that power has been harnessed - from wind, steam and from inside the atom. In the early years the drive for new sources of power was led by practical men who wanted to make money. Their inventions and ideas created fortunes and changed the course of history, but it took centuries for science to catch up, to explain what power is, rather than simply what it does. This search revealed fundamental laws of nature which apply across the universe, including the most famous equation in all of science, e=mc2.