Andrea Sella, Professor of Chemistry at UCL, picks five elements that enhance our lives. Today it's aluminium, once fashionable as cutlery but now used in cans, bicycles and tinsel Show more

Andrea Sella, Professor of Chemistry at UCL, celebrates five elements that enhance our lives. Today he admires how strontium gives us red fireworks and reveals our ancestors' past. Show more

Scientist Dorothy Hodgkin and her lover wrestle with the internal structure of complex molecules in 1930s letters. From October 2014. Show more

In the 1940s, Dorothy made more scientific strides even with a baby, prompting the college to award maternity pay. From October 2014. Show more

Dorothy's reputation grew post-war, conquering the structure of penicillin before the challenge of vitamin B12. From October 2014. Show more

Becoming the first woman to receive the Nobel Prize for Chemistry in 1964, Dorothy shared her hopes for the future. From October 2014. Show more

Teens write computer games in their bedrooms and a billion-dollar business is created. Hannah charts the rise of the UK games industry. Show more

Brand new science is helping explain how Placebo effects work. How could this change the way we think about modern medicine? Show more

In the 1950s, Paul Robeson was banned from leaving the USA. Aleks Krotoski tells the story of how he used the new transatlantic telephone cable to sing live to British fans. Show more

The company that brought computers into business was Lyons, known for its cakes and teashops. Aleks Krotoski tells the story of how this technology transformed office work. Show more

Aleks Krotoski looks back to June 1967, when 400 million people across the globe watched a groundbreaking TV show, Our World, the first programme linking countries by satellite. Show more

Soldiers traditionally learned to find their way around with a compass and a map. Aleks Krotoski explores how GPS transformed navigation during the first Gulf War in 1991. Show more

With expertise from the Science Museum's curators, Aleks Krotoski uncovers the hidden histories of manual telephone exchanges and how they changed the working lives of young women. Show more

Stem cell therapies are sold as a new wonder cure by an increasing number of private clinics. But concerns are growing that unproven and unregulated treatments are not risk free Show more

How do we change our behaviour to prevent the destruction of more eco-systems and a million species going extinct? Show more

What will a tech standoff between the US and China mean for them - and us, the consumers? Show more

Fifty years after the historic moon landing, what's the current state of space exploration? Show more

The history of computing is filled with the accomplishments of women, but where have they gone? Sandra Kanthal asks why women are being driven from a field they helped to create. Show more

Can science clean up dirty vehicle emissions? Jim Al-Khalili brings three scientists together to find the best technology for reducing air pollution in our cities. Show more

Hannah Fry describes some 1980s efforts to inspire Britain to embrace computing, the birth of the BBC Micro and computers in schools. Show more