On Your Behalf Episodes Available now
The Cuckoo
How do cuckoos learn to sing? Can water-damaged books be restored?
The Big Bang
What existed before the Big Bang? What caused apes to mutate into Homo sapiens?
Pollution Free Engine
Is the ceremonial bugle call, the Last Post, unique to Britain?
Longest Place Name
Why does Britain compete as one team in the Olympics but as four teams in the World Cup?
Handshakes
Why and when did humans start shaking hands? Do humans only use 10% of their brains?
Radio Waves
Why does lightning sometimes look green? Why don't insects drown when it rains?
Landmines
What is the best way to clear landmines? How accurate was Mayan astronomy?
Dollar Signs
What is the origin of the US dollar symbol?
Grapefruit Diets
Does eating grapefruit shrink your stomach? What language did Jesus speak?
The Purpose of Mosquitoes
Do mosquitoes have an ecological purpose? Did ancient Egyptians brew beer?