Jen and Callum talk about schoolchildren in America who are experimenting with kindness.

William and Helen talk about some common viruses that have been around for millions of years.

Alice and Kaz talk about an ancient prediction that the world will end on 21 December 2012.

Are cyclists and motorists at war on the streets of London? Alice and Rob talk about gladiators in lycra.

In this week's 6 minute English Alice and Neil talk about what makes one violin more valuable than another.

Where did that island go? Alice and Neil talk about a piece of land in the South Pacific which appeared on maps as Sandy Island but never existed at...

Omnishambles is the Oxford English Dictionary's 'Word of 2012'. Callum and Neil discuss the word and its origins.

Callum and Jennifer talk about the subject of pain and what life is like for someone who doesn't feel it.

Callum and Jennifer talk about blood. Can your blood type influence your character and personality?

Alice and Rob talk about ear worms - the music which plays inside your head over and over again.