Is the 'face-centred cubic lattice' the most efficient way of stacking spheres?
Another Five Numbers
When 3G phone licences were sold, game theory was used to boost proceeds for the Treasury.
A Further Five Numbers
One - The most popular number
One is the most popular number, as it appears more often than any other number.
Two - At the double
Doubling is a form of exponential growth, which appears in population growth and inflation
Six degrees of separation
Six is often treated as 2x3, but has many characteristics of its own.
G - The number that defines the universe
Newton's equation of gravity includes a number G, indicating the strength of gravitation.
1729 - The first taxicab number
1729 is the smallest number you can write as the sum of two cubes, in two different ways.
Jo Durrant's Beautiful Universe 16/06/2019
A special version of her show recorded on stage at the Cheltenham Science Festival.
Your Science Questions Answered
Izzie Clarke and the Naked Scientist team answer your science questions.
My Living World
Hannah Stitfall and guest discuss a selection from the Living World archive
Alan Stennett with farming community news, issues and prices.
Flowers, Adders and Arabian Horses
A call to buy local flowers, adders in the garden and Arabian horses in Llandeilo.