Naked Scientists Podcast

Naked Scientists episode

Wed, 12th Jun 2013

Extreme Physiology: Everest to Ocean Floor

Mount Everest from Rombok Gompa, Tibet (c) John Hill

How can an ascent to the top of Everest help to save lives in intensive care? This week we're exploring physiology at the extremes: altitude, depth and cold. How does the human body adapt and cope under these conditions? Also, news of improved gene therapy techniques for sight-loss disorders, when do babies become sympathetic, how to cloak your cat (or goldfish), and have scientists discovered the remains of the Tunguska meteorite that smashed into Siberia in 1908?

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In this edition of Naked Scientists

Full Transcript

  • 20:28 - Do tobacco adverts influence teenagers?

    A new research study investigates whether teenagers exposure to tobacco adverts can predict their smoking habits.

  • 26:56 - Is this an original use of the Naked Scientists podcast?

    Thanks for putting my baby to sleep. I'm Staffan and I live in Sweden. I've found this wonderful routine, where I play the Naked Scientists for my baby while I hold her and walk around. It keeps me alert and entertained while it sends her right to sleep. So thanks again for...

  • 27:34 - Why do we wet a finger to turn pages?

    Here's another question of the week: When we spill water on a tile floor, we might slip and bash our head, but when we want to turn the page of a book, we lick our fingers to get "traction." What's going on here?

  • 28:51 - What can mountaineers teach doctors?

    Intensive care units are looking to mountaineers to learn how to improve oxygen uptake in their patients.

  • 36:28 - Freediving on a single breath

    How does 'lung packing' help professional freedivers prepare for the low oxygen and high pressure enviroment they dive into?

  • 45:00 - Diving into cold water

    Heather Lunt tells us how the human body shuts down when immersed in extremely cold water...

  • 52:34 - The physiology of crying

    What is the physiology behind emotional breakdown? Everybody has had the feeling in traumatic situations of getting all choked up, voice breaking and tears welling up. And even though you might be desperately keen on suppressing it, it is really hard to manage that. So, what is h...



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