# Ask the Naked Scientists A podcast by Dr Chris Smith. 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! Feed: https://www.thenakedscientists.com/rss/ask_the_naked_scientists.xml ## Latest episodes - [Is static electricity down to positive or negative charges?](https://invisiblenetwork.ai/podcast/287114592/fec5f9fe0bc2) (2026-10-23, 21 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.10.23.mp3 - [Is AI damaging our ability to think for ourselves?](https://invisiblenetwork.ai/podcast/287114592/e668192dd2ae) (2026-10-16, 20 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.10.16.mp3 - [Why do we get floaters in our eyes?](https://invisiblenetwork.ai/podcast/287114592/67462f31dc88) (2026-10-09, 23 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.10.09.mp3 - [Do giraffes have the same number of neck bones as humans?](https://invisiblenetwork.ai/podcast/287114592/263f51b0c5f1) (2026-10-02, 18 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.10.02.mp3 - [Can curly hair straighten with age?](https://invisiblenetwork.ai/podcast/287114592/74f50dc43eeb) (2026-09-25, 21 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.09.25.mp3 - [Where did water come from, and why doesn't it go off?](https://invisiblenetwork.ai/podcast/287114592/60934bc34784) (2026-09-18, 17 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.09.18.mp3 - [Is AI at risk of going rogue?](https://invisiblenetwork.ai/podcast/287114592/51c4aea6b6cc) (2026-09-11, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.09.11.mp3 - [Can technology influence the weather?](https://invisiblenetwork.ai/podcast/287114592/7d54c00749a5) (2026-09-04, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.09.04.mp3 - [How does the Moon affect the tides?](https://invisiblenetwork.ai/podcast/287114592/da0443e1bdd5) (2026-08-28, 23 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.08.28.mp3 - [Why do eyebrows grow so slowly?](https://invisiblenetwork.ai/podcast/287114592/f4eede66e867) (2026-08-21, 19 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.08.21.mp3 - [What is love?](https://invisiblenetwork.ai/podcast/287114592/c380a1e1af48) (2026-08-14, 18 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.08.14.mp3 - [What is the life of an electric vehicle battery?](https://invisiblenetwork.ai/podcast/287114592/34ab8950a261) (2026-08-07, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.08.07.mp3 - [What's the science behind itching and scratching?](https://invisiblenetwork.ai/podcast/287114592/f1ba8702f421) (2026-07-31, 23 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.07.31.mp3 - [Why a helium balloon flies backwards when you hit the brakes](https://invisiblenetwork.ai/podcast/287114592/5aa706950b2d) (2026-07-24, 26 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.07.24.mp3 - [Why do wombats have cube-shaped poo?](https://invisiblenetwork.ai/podcast/287114592/adfee27ec354) (2026-07-17, 23 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.07.17.mp3 - [What happens before we have a thought?](https://invisiblenetwork.ai/podcast/287114592/df36eb750945) (2026-07-10, 14 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.07.10.mp3 - [Is it safe to eat dropped food?](https://invisiblenetwork.ai/podcast/287114592/8bbd7e67997d) (2026-07-03, 15 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.07.03.mp3 - [Why did the Lincoln Memorial Reflecting Pool turn green?](https://invisiblenetwork.ai/podcast/287114592/ea509ddb7034) (2026-06-26, 23 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.06.26.mp3 - [How do cats sustain a purr-fect purr?](https://invisiblenetwork.ai/podcast/287114592/baf2309db049) (2026-06-19, 24 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.06.19.mp3 - [Are there sounds around us that we can't hear?](https://invisiblenetwork.ai/podcast/287114592/6e98c5ac9a0d) (2026-06-12, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.06.12.mp3 - [Why does a slice of toast land butter side down?](https://invisiblenetwork.ai/podcast/287114592/10b525a33519) (2026-06-05, 26 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.06.05.mp3 - [How does a headache tablet know where it hurts?](https://invisiblenetwork.ai/podcast/287114592/4e92dc15d913) (2026-05-29, 25 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.05.29.mp3 - [Why does running water make us want to use the toilet?](https://invisiblenetwork.ai/podcast/287114592/585fe6ec34ea) (2026-05-22, 23 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.05.22.mp3 - [Should we pay attention to the UFO files?](https://invisiblenetwork.ai/podcast/287114592/7f11bcf0e68b) (2026-05-15, 24 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.05.15.mp3 - [Can we travel forward and backwards in time?](https://invisiblenetwork.ai/podcast/287114592/548bf4257301) (2026-05-08, 27 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.05.08.mp3 - [How do vultures find their prey?](https://invisiblenetwork.ai/podcast/287114592/415b3061cdca) (2026-05-01, 24 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.05.01.mp3 - [Why don't melting ice cubes make my drink overflow?](https://invisiblenetwork.ai/podcast/287114592/21a3b810df7d) (2026-04-24, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.04.24.mp3 - [Do dogs dream?](https://invisiblenetwork.ai/podcast/287114592/9b717920d71a) (2026-04-17, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.04.17.mp3 - [What caused the craters on the Moon?](https://invisiblenetwork.ai/podcast/287114592/69a3892fb4e2) (2026-04-10, 23 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.04.10.mp3 - [What colour is a mirror?](https://invisiblenetwork.ai/podcast/287114592/f06f2a3016ef) (2026-03-28, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.03.27.mp3 - [Do we all see colours the same way?](https://invisiblenetwork.ai/podcast/287114592/d140222e5d1c) (2026-03-13, 24 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.03.13.mp3 - [Can white skin transplanted to a black person change colour?](https://invisiblenetwork.ai/podcast/287114592/babb6f2b87a3) (2026-03-06, 23 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.03.06.mp3 - [Why do we get a falling sensation as we drift off to sleep?](https://invisiblenetwork.ai/podcast/287114592/fcadcdb13984) (2026-02-27, 20 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.02.27.mp3 - [Is there an evolutionary advantage of golf?](https://invisiblenetwork.ai/podcast/287114592/f9d5cacceb9a) (2026-02-20, 20 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.02.20.mp3 - [What is foot-and-mouth disease?](https://invisiblenetwork.ai/podcast/287114592/1ed2c935d18b) (2026-02-13, 25 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.02.13.mp3 - [Can the brain recover from alcohol misuse?](https://invisiblenetwork.ai/podcast/287114592/6c42f9d7c4a3) (2026-02-06, 23 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.02.06.mp3 - [What is an induced coma?](https://invisiblenetwork.ai/podcast/287114592/9a3709825809) (2026-01-30, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.01.30.mp3 - [Which part of the brain is responsible for decisions?](https://invisiblenetwork.ai/podcast/287114592/ba0e22c8a261) (2026-01-23, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.01.23.mp3 - [Which part of the brain is responsible for decisions?](https://invisiblenetwork.ai/podcast/287114592/bf5fbfb7b74a) (2026-01-23, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.01.23_0.mp3 - [Which part of the brain is responsible for decisions?](https://invisiblenetwork.ai/podcast/287114592/4e157fcb82f5) (2026-01-23, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.01.23.mp3 - [How do cell phones see the Northern Lights when we can't?](https://invisiblenetwork.ai/podcast/287114592/eca8a1ab12b1) (2026-01-18, 21 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.01.16.mp3 - [Do flames have a shadow?](https://invisiblenetwork.ai/podcast/287114592/8f3f80c7149f) (2026-01-09, 24 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_26.01.09.mp3 - [How HPV vaccine and circumcision can stop cervical cancer](https://invisiblenetwork.ai/podcast/287114592/757654d93971) (2025-12-19, 21 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_25.12.19.mp3 - [Fizzy drinks after a long run?](https://invisiblenetwork.ai/podcast/287114592/9a7fed2d77b0) (2025-12-12, 16 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_25.12.12.mp3 - [Can our eyes pop out when we sneeze?](https://invisiblenetwork.ai/podcast/287114592/d0f0ae4b741e) (2025-12-05, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_25.12.05.mp3 - [Why do dogs make a beeline for underwear and smelly socks?](https://invisiblenetwork.ai/podcast/287114592/07f7dccc4f4f) (2025-11-28, 18 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_25.11.28.mp3 - [Are zebras black with white stripes?](https://invisiblenetwork.ai/podcast/287114592/20aff8c265d9) (2025-11-21, 18 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_25_11.21.mp3 - [Will we find a cure for diabetes?](https://invisiblenetwork.ai/podcast/287114592/687801ca4348) (2025-11-14, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_25.11.14.mp3 - [Is an elephant really related to a hyrax?](https://invisiblenetwork.ai/podcast/287114592/958bbe78fe1c) (2025-11-07, 22 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_25.11.07.mp3 - [Are some people missing an arm muscle?](https://invisiblenetwork.ai/podcast/287114592/b54ec9cb5196) (2025-10-31, 26 min): audio https://flex.acast.com/downloads.nakeddiscovery.com/downloads/active/Ask_25.10.31.mp3 Shows are listed from Apple Podcasts' charts and directory, and Podcast Index where it is used. Every show and episode belongs to its publisher and plays from the publisher's own feed; this site hosts none of them.