When did life start evolving sex?

Loading player...
Dr Chris answers questions on CapeTalk, including: how often should we wash our clothes? Is there a relationship between the Earth's gravity and magnetic field? Are the magnetic poles moving? Is there a distinction between North and South? Why don't adult teeth grow back like children's teeth? Can we reconcile science and spirituality? Why does my sister's car attract insects? What is the quickest way to lose weight in a short period of time? Is it true that our eyeballs stay the same size throughout our life? Like this podcast? Please help us by supporting the Naked Scientists
23 May English United Kingdom Science

Other recent episodes

How can you control your phobias?

Is it dangerous to have floaters in your eye? Can you power a lamp with your mouth? Are nations in the global north more innovative than nations in the global south? How can you control your phobias? How do leap years come about? Dr Chris Smith and Relebogile Mabotja have…
5 Sep 15 min

Why does sex make you sleepy?

Is the flipping of Earth's magnetic field a concern? Why might half-filled ice cube trays freeze faster? Why does sex make you sleepy? Why might you get an 'electric shock' from moving your head? Is nicotine addictive? Why does scratching an itch feel so good? Why do we have different…
28 Aug 21 min

Are there fragments of insects in chocolate?

Dr Chris answers listener questions including: do men and women have an equal chance of getting sports injuries? What health benefits can a sugar free diet bring? Why does my sock shift around my foot at night? How should we navigate testosterone levels in women's sport? How can we treat…
22 Aug 22 min

Why is it so important to finish a course of antibiotics?

Dr Chris is back to answer listener questions. Why do cat's eyes reflect bright colours? What are the short, high pitched ringing noises that can sometimes be heard? What causes Bell's palsy? Will botox help keep my eyelid up? Like this podcast? Please help us by supporting the Naked Scientists
15 Aug 23 min

Do animals feel fear?

Do animals feel fear the same way that we do? Do diet supplements boost your immune systems? Can using phones and headphones change the shape of your body? Why don't birds get electrocuted on pylons? Is the northern hemisphere more 'innovative' than the south? Dr Chris Smith and Relebogile Mabotja…
31 Jul 17 min