How do cats sustain a purr-fect purr?

Loading player...
Why does our hair stand up when we are scared? Does the animal kingdom experience colour differently? How do cats purr without running out of breath? Can certain types of medication cause tinnitus? What benefits does vaccination afford us? And why do some people struggle to recognise faces? Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
19 Jun English United Kingdom Science

Other recent episodes

How does the Moon affect the tides?

Why might the shingles vaccine help prevent heart attacks? Does an eclipse affect how we sleep? Why do farts seem to stick around longer in the shower? How does toothpaste fight acidity? Can you train your brain to notice different frequencies? How does the Moon affect the tides? And why…
28 Aug 22 min

Why do eyebrows grow so slowly?

Have you ever wondered why eyebrows grow so slowly, or when you should brush your teeth in the morning? Can you tell the difference in sound between hot and cold water being poured? What causes those cold shivers down your spine? Is a spirit presence real? What controls how fast…
21 Aug 18 min

What is love?

What is the science behind love? What scares a honey badger? Are there mammals that feel no fear? How do car pistons move so smoothly even at high speeds? Should humans eat meat? Why do people with bone marrow cancer often show no symptoms? Chris Smith and Relebogile Mabotja answer…
14 Aug 17 min

What is the life of an electric vehicle battery?

How good are electric vehicle batteries? Why are EV fires so dangerous? What is acute flaccid myelitis? Why do people feel anxiety in different parts of their bodies? Why does our sight help with our balance? Are sons ever taller than their mums? Do flashing lights cause headaches? Dr Chris…
7 Aug 21 min

What's the science behind itching and scratching?

Are there technologies to remove smoke taint in wine affected by recent wildfires? What's the science behind itching? Can a tortoise survive 10 years locked up in a building? Why might an elderly dog or cat's behaviour change? Does microwaving damage food or reduce vitamin content? Can my blood pressure…
30 Jul 22 min