RC 261025947
Sunday, 25 October 2026
A light Sunday morning with Valerie, dominated by the Guess the Suburb game and the Human Behaviour Lab, where listeners put everyday science questions to the show.
- 05:56
The Guess the Suburb answer was Florida, a West Rand suburb near a well-known lake, not the Florida in the US, and a couple of listeners got it right.
- 06:19
Scientists still don't fully understand why yawns spread between people, though contagious yawning has also been seen in lions, and dogs can yawn in response to human yawns.
- 06:42
Solid ice is less dense than liquid water because freezing forms an open, organised structure that takes up more space, which is why ice floats in a glass.
- 06:42
Listeners were asked to send theories on why chopping onions makes eyes water while eating them in a salad does not, a question still open at the end of the show.