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.
Alan Stennett with farming community news, issues and prices.
BBC Yorkshire's favourite weatherman hosts a special about the weather in our county.
With Sue Kinnear
Find out why you might see trees growing amongst the crops at a farm near Swindon.
Science unwrapped - interactive science, medicine and technology.
Bat and robot
Picture the scene after an earthquake. A robot inspired by bats could survey the damage