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British scientists Richard Ambrose and Jonny Phillips return with a new series of this fun-but-informative show that explains...

The evolution of the machine gun from its use in WWI to the GAU-8 Avenger, one of the deadliest machine guns in the world.

Experts investigate whether someone can really be capable of killing while they're asleep and if sleepwalking is a valid...

Watch as a selection of history's most gruesome projectile weapons are tested for their accuracy and deadliness.

Discover how weapons have been used to smash skulls for centuries in Skull Smashers.

Introducing the bone-crunching, flesh-tearing series that takes an alternative look at ancient weaponry.

Climate experts continue to examine what effect each rise of 1ºC could have on the world.

Interview with eco-engineer Dick Strawbridge and inventor Jem Stansfield from Planet Mechanics

This time the Planet Mechanics are tackling one of the world’s biggest problems, traffic pollution.

The next morning, and the whole bike has to be stripped down to get to the heart of the problem.

Jem’s working on the mounts for the air tanks. They’re coated with carbon fibre, a material that can’t be welded. He...

The next morning and the Planet Mechanics’ eco-workshop is up and running. Dick and Jem are in the south of England on their...

So they’re building a moped powered by fresh air. They’ll replace the petrol engine with an air motor and the gas tanks...

This time the Planet Mechanics are tackling a tricky challenge down on the farm. Can they tame this fuel-guzzling monster, by...

Fortunately they still have the oil they made earlier. So it’s time for the ultimate test: will that oil fire up the grain...