Ask the Naked Scientists podcast

Ask the Naked Scientists

How many organs could you donate and remain alive? How many planet Earths could fit inside the Sun? How high is a giraffe's blood pressure? Why is the sea blue? To find out, Ask The Naked Scientists!

How many organs could you donate and remain alive? How many planet Earths could fit inside the Sun? How high is a giraffe's blood pressure? Why is the sea blue? To find out, Ask The Naked Scientists!

 

#768

Fizzy drinks after a long run?

Today, Chris Smith tackles a whole host of health-related questions. We explore the impact... more

12 Dec 2025

15 MINS

15:49

12 Dec 2025


#767

Can our eyes pop out when we sneeze?

This week, Chris Smith and Clarence Ford tackle the big science questions of the week, inc... more

05 Dec 2025

21 MINS

21:20

05 Dec 2025


#766

Why do dogs make a beeline for underwear and smelly socks?

Why do dogs make a beeline for underwear and smelly socks? Also, do we really get taller a... more

28 Nov 2025

17 MINS

17:24

28 Nov 2025


#765

Are zebras black with white stripes?

Are any people particularly susceptible to alopecia-linked hair loss? Also, what causes ec... more

21 Nov 2025

17 MINS

17:02

21 Nov 2025


#764

Will we find a cure for diabetes?

In Ask! the Naked Scientists, Dr Chris Smith answers listeners' medical questions. This ti... more

14 Nov 2025

21 MINS

21:13

14 Nov 2025


#763

Is an elephant really related to a hyrax?

Is an elephant really a close relative of a hyrax? What are blood groups? Is there really ... more

07 Nov 2025

21 MINS

21:55

07 Nov 2025


#762

Are some people missing an arm muscle?

Are some people missing arm muscles? Are there other muscles that we're losing? Can bats a... more

31 Oct 2025

25 MINS

25:29

31 Oct 2025


#761

Are satellites safe from terrorist attacks?

What happens to helium balloons that float away? Are satellites safe from terrorist attack... more

24 Oct 2025

21 MINS

21:33

24 Oct 2025


#760

For a short time, I forgot who I was. What happened?

Why does La Nina cause more rainfall in South Africa? How can we keep our skin moist witho... more

17 Oct 2025

22 MINS

22:47

17 Oct 2025


#759

Are women really more nurturing?

It's another jam-packed episode of Ask the Naked Scientist, illuminating listener question... more

10 Oct 2025

20 MINS

20:34

10 Oct 2025


#758

How is it possible to have 2 different eye colours?

In this episode of Ask the Naked Scientist: is it possible to teleport atoms? Does garlic ... more

03 Oct 2025

22 MINS

22:00

03 Oct 2025


#757

Can spicy food make your ear itch?

In today's episode of Ask! Dr Chris answers: why do some people attract more mosquitoes th... more

26 Sep 2025

19 MINS

19:49

26 Sep 2025


#756

Why do my wife's eyes light up when she sees me?

In this episode of Ask, if the universe is expanding, what's it expanding into? What's the... more

19 Sep 2025

21 MINS

21:10

19 Sep 2025


#755

Why do we dislike the sound of our own voices?

On Ask! the Naked Scientist this week: What led to the 'leopard spots' found on Mars? What... more

12 Sep 2025

22 MINS

22:38

12 Sep 2025


#754

How can you control your phobias?

Is it dangerous to have floaters in your eye? Can you power a lamp with your mouth? Are na... more

05 Sep 2025

13 MINS

13:53

05 Sep 2025


#753

Why does sex make you sleepy?

Is the flipping of Earth's magnetic field a concern? Why might half-filled ice cube trays ... more

29 Aug 2025

21 MINS

21:59

29 Aug 2025


#752

Are there fragments of insects in chocolate?

Dr Chris answers listener questions including: do men and women have an equal chance of ge... more

22 Aug 2025

21 MINS

21:30

22 Aug 2025


#751

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? W... more

15 Aug 2025

21 MINS

21:55

15 Aug 2025


#750

Do animals feel fear?

Do animals feel fear the same way that we do? Do diet supplements boost your immune system... more

01 Aug 2025

17 MINS

17:30

01 Aug 2025


#749

Will our universe keep on growing?

Dr Chris takes on more listener questions. Including: is Chinese medicine separate from We... more

25 Jul 2025

21 MINS

21:55

25 Jul 2025


#748

Why do adults take longer to wake up than babies?

The questions keep coming for Dr Chris. This week they include: have scientists got their ... more

18 Jul 2025

18 MINS

18:31

18 Jul 2025


#747

Why do medicines get discontinued?

In this episode of Ask! Dr Chris is asked: what is ivermectin? Are sodium ion batteries a ... more

11 Jul 2025

19 MINS

19:20

11 Jul 2025


#746

Is leukaemia genetic?

Do we have another comet visiting from outside the solar system? What is Oumuamua? Is the ... more

04 Jul 2025

21 MINS

21:21

04 Jul 2025


#745

Why does cold water take your breath away?

Why does cold water take your breath away? And why is it cold when you leave the cold wate... more

27 Jun 2025

18 MINS

18:13

27 Jun 2025


#744

Why can't you tickle yourself?

Dr Chris answers listener questions including: what is the Higgs boson? How should I chang... more

20 Jun 2025

21 MINS

21:26

20 Jun 2025


#743

Naked Scientists SOS

Cambridge University have informed us that, for cost cutting reasons, they intend to make ... more

16 Jun 2025

03 MINS

03:30

16 Jun 2025


#742

Why does bleach claim to kill 99.9% of bacteria?

Chris Smith answers listener science questions. They include, is it worth getting the flu ... more

13 Jun 2025

22 MINS

22:05

13 Jun 2025


#741

Would a compass work on the Moon?

Dr Chris with more answers to listener science questions: why was the discovery of the Hig... more

06 Jun 2025

18 MINS

18:31

06 Jun 2025