Is the dream of a hydrogen-fuelled zero-carbon economy achievable?
Hydrogen (H) - energy
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.
A breath of fresh air for a Thursday evening.
Playdale Farm Park
Bek Homer takes you for a dip into life by the sea on our unique North Yorkshire coast.
23/08/19: Sea eagles on the Isle of Wight, Medieval strip farming, Feeding charcoal to cattle
Sea eagles have been reintroduced on the Isle of Wight. Farmers are concerned about lambs.
Atal saethu lloi
Bwriad i atal ffermwyr llaeth rhag saethu lloi gwrywaidd gan gwmni Morrisons.
What Facebook knows about you
The social giant will reveal what it knows about your net activity off of its platform.