The metal in magnets and phone batteries - but is some of it being mined by children?
The mineral from the Wild West that toughens glass and stops bullets in their tracks.
Tantalum & Niobium (Ta, Nb)
Are these notorious conflict minerals still being smuggled into and laundered in Rwanda?
Gallium and Indium
LED lighting and the other electronics revolutionised by the elements Gallium and Indium
Radioactives (Po, Ra, Rn)
Radium, polonium and radon sound frightening, but are they actually useful for anything?
It's stronger than steel, but could this glamorous metal become as common as steel?
Nanotech, virtual reality, and the stuff that could oust the silicon from Silicon Valley.
Magnesium and Beryllium
Two metals with sinister reputations - one for flammability, the other for lung disease
Noble Gases (Ar, Ne, Kr, Xe)
Neon, argon, krypton & xenon: From blinding arc lights to the dying trade of sign-making.
Why copper wires? And do solar power and batteries herald the death of the old AC grid?
Hydrogen (H) - water (part 1)
Northwest India is fast running out of groundwater. Is migration and conflict inevitable?
Hydrogen (H) - water (part 2)
As climate change plays havoc with the rain, could we draw water directly from the ocean?
The self-sacrificing metal that brings shelter and good health to India's poorest.
Hydrogen (H) - energy
Is the dream of a hydrogen-fuelled zero-carbon economy achievable?
India is completely dependent on imports of potash, a fertiliser essential for crops.
This toxic metal is being phased out of our lives, but still keeps planes up in the air.
Hydrogen (H) - fusion
Could we finally be about to crack this source of potentially unlimited clean energy?
Why does iodine deficiency still blight children in developing countries like India?
The shiniest and showiest of metals has some surprisingly modern applications.
The poison in everything from paint and sweets, to telegraph polls and drinking water.
Platinum group (Pt, Pd, Ru, Rh, Os, Ir)
Six rare metals that clean the air but are the focus of violent conflict in South Africa.
This metal offers thousands of years of nuclear energy, but is it any safer than uranium?
Why do we value this useless metal? And does it bring out the worst in human nature?
In the final programme in the series we look at the rarest members of the periodic table.
What Next for the Moon?
The Moon rush is back. And everyone is a player. Roland Pease looks at the new space race
Tim Weeks explores the weird and wonderful world of Wiltshire online.
A look at rock pools and how you can find out more about fossils and other finds.
Adam Rosser brings you this weeks episode of Game On.
23.07.19 No-deal Brexit barley and sheep; TB testing.
How could no-deal Brexit affect barley growers and sheep farmers? Vets and lay TB testers.