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.
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.
Sioe Llanelwedd - Diwrnod 1
Diwrnod cynta'r Sioe Amaethyddol yn Llanelwedd.
Robin Dunbar on why we have friends
Why do we have friends? Robin Dunbar tells Jim Al-Khalili.