Radio 4 in Four ep.22

This week Kathy asks why. Along the way we will learn why you shout on your mobile, why Brits take selfies, why we love sad songs, why people SNAP!, why traffic jams appear, and why...why...why things get stuck on the tip of your tongue.

The following programmes appear in this podcast:
The Curious Cases of Rutherford & Fry
Today
The Why Factor
Word of Mouth