The science of what Doom bug spray does to humans

You writhe in pain, your limbs twitch uncontrollably, you get convulsions all over your body, your heart stops, you stop moving, you die. This is what happens to you when you are sprayed with Doom insecticide. Also, this only happens if you happen to be a pesky insect who has upset a human overlord. This…

How to fix SA’s maths and science woes

Are we as bad at maths and science as a recent but flawed World Economic Forum report says we are? In this episode we answer this question, and we look at a model of maths and science education from a high school in Limpopo that shows South African children can succeed with the right approach.