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PODCAST

Naked Scientists Special Editions, iTunesU

Special feature podcasts produced by the Naked Scientists team, iTunesU

science & medicine natural sciences

All Episodes

05:17

18.09.06 - Audio cues improve driver safety

Naked Scientists Special Editions, iTunesU ·

2018/09/05

These days, many of us are heavily dependent on our trusty sat navs to get where we want to go, but looking at these devices whilst driving is incredibly dangerous and can lead to car accidents. Psychologists from Anglia Ruskin University are hoping to minimise the dangers of using this technology by incorporating audio cues with in-car GPS to forewarn the driver of the lay of the land. Tamsin Bell met with Helen Keyes to hear what's driving their work...

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04:40

18.09.05 - Goats prefer happy people

Naked Scientists Special Editions, iTunesU ·

2018/09/04

Goats can tell apart human facial expressions and - what's more - prefer to interact with happy people, according to a new study from scientists at Queen Mary University of London. We knew work animals like dogs and horses could do this, but no-one knew if animals domesticated for food products would be able to. Georgia Mills spoke to lead researcher Alan McElligott to find out how they did it

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04:26

18.09.01 - Origins of childhood kidney cancer

Naked Scientists Special Editions, iTunesU ·

2018/08/31

Most of the people who develop cancer are adults, although a significant number of children succumb too. The signs are though that childhood cancers could have a different origin than the adult disease, which might also mean they can be treated in a different way. Cambridge University's Sam Behjati suspects that tumours in children form from foetal tissue that has failed to mature properly. And by comparing the genetic instructions operating in normal and cancerous kidney cells from children and

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13:33

18.08.31 - The Science of St John's

Naked Scientists Special Editions, iTunesU ·

2018/08/30

From artificial photosynthesis to the art of statistics, the Naked Scientists take Jenny Zhang and Richard Samworth, two of St John's College's leading scientists, for a trip down the river to hear all about their work.

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05:37

18.08.16 - Testing for Tuberculosis

Naked Scientists Special Editions, iTunesU ·

2018/08/15

Doctors think that one third of the world's population have been exposed to the bacterial infection TB, or tuberculosis. It can damage any tissue in the body, infect the skeleton and joints, and even cause meningitis, but most people develop chest disease and a cough, which is how it chiefly spreads. A major problem with controlling the infection is that the Mycobacterium tuberculosis bacteria can be very hard to culture in a laboratory, and they grow extremely slowly, which holds up diagnosis and

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03:53

18.08.10 - Evolution of the Skeleton

Naked Scientists Special Editions, iTunesU ·

2018/08/09

Since Darwin's time scientists have been studying the skeleton of a type of fish that lived 400 million years ago called Heterostracans. These fish were covered in a tough exoskeleton, but scientists couldn't decide exactly where it came from. Was it a precursor to bone? To teeth? New research is suggesting all those old theories may be as dead and buried as the fish fossils, and this exoskeleton is just another way of making bone. Adam Murphy spoke to Joseph Keating of the University of Manchester

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04:34

18.08.07 - Chemputer: Chemistry goes digital

Naked Scientists Special Editions, iTunesU ·

2018/08/07

Mixing chemicals together causes reactions and produces new molecules. With so many different chemicals in existence, there are infinite combinations that can be made, and millions of chemical reactions yet to be tried. But doing these tests is very time consuming, laborious and has a low success rate; it's also very susceptible to human failings, like bias and fatigue. To surmount this, University of Glasgow chemist Lee Cronin has invented a robot to test his chemical combinations for him. What's

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05:06

18.07.27 - Circumcision Prevents HIV

Naked Scientists Special Editions, iTunesU ·

2018/07/26

HIV is a global pandemic. Worldwide, about 37 million people are living with the virus, and there are between 3 and 5 thousand AIDS deaths every day. More worrying is that, despite intensive public health and safe sex campaigns, there are a further 3 to 5 thousand new HIV infections occurring every day, and despite decades of effort, scientists still have not yet managed to develop an effective vaccine. But one very powerful way to prevent infection is for men to be circumcised, which reduces their

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05:06

18.07.20 - Blocking \'memory\' immune cells to cure...

Naked Scientists Special Editions, iTunesU ·

2018/07/19

Vitiligo is an autoimmune condition, in which the immune system attacks the pigment-producing cells of the skin, leaving behind pale white patches. Although not dangerous in itself, vitiligo can be disfiguring, causing a great deal of distress to people suffering from it. There are treatments available for vitiligo - these include topical creams that suppress the immune attack on skin cells, and phototherapy, which uses UV light. However, these treatments are time- and effort-consuming, particularly

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05:43

18.07.10 - Growing new blood vessels

Naked Scientists Special Editions, iTunesU ·

2018/07/09

Heart attacks come about when blood vessels in the heart are blocked, and without a supply of oxygen-rich blood, the heart muscle can die. This is called ischemic injury, and can also occur in other places in the body, potentially leading to tissue death and even limb amputation. But what if it was possible to re-build the blood vessels in the heart or in other areas of the body, to kick-start the circulation and prevent tissues from being starved of oxygen, and dying? This is what Jo Mountford is

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03:45

18.07.04 - Why living the high-life can shrink your arms

Naked Scientists Special Editions, iTunesU ·

2018/07/03

People all around the world are living the high life. That's to say, living their whole lives at high altitude. This lifestyle has an impact on their bodies, including upon how their bones grow. And one adaptation, Cambridge University's Stephanie Payne has found, is to alter the relative lengths of the arms. Katie Haylor and Chris Smith found out more...

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06:22

18.07.02 - Should we be worried about asteroids?

Naked Scientists Special Editions, iTunesU ·

2018/07/02

Scientists want to raise awareness to protect the Earth from dangerous asteroids. June 30th has now become Asteroid Day where people from around the world come together to learn about asteroids, the impact hazard they may pose, and what we can do to protect our planet, families, communities, and future generations from future asteroid impacts. Izzie Clarke spoke to Matt Bothwell and Adrian Currie at the University of Cambridge to learn more...

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04:58

18.06.29 - From tiny to T-Rex - why life got large

Naked Scientists Special Editions, iTunesU ·

2018/06/28

4 billion years ago, life on earth looked nothing like it does today. In fact, the oceans contained only single-celled microbes. At some point, these single-celled organisms began to work together, forming complex, multi-celled creatures, which then suddenly became much larger. The question is, why? Emily Mitchell studies one of the earliest animals believed to exist, and explained to Marika Ottman why she thinks these creatures got bigger when they did

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05:27

18.06.28 - Dementia in a dish

Naked Scientists Special Editions, iTunesU ·

2018/06/27

In recent years, we've woken up to the massive problem that is dementia. This is where people progressively lose their cognitive faculties and Alzheimer's Disease is one well-known example. But scientists are increasingly realising that injury done to the brain by damaged blood vessels is probably the leading cause of dementia, but it's also the one that we know much less about. It happens when the very small blood vessels deep within the brain become narrowed, stiffened and leaky, which leads to

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03:57

18.06.26 - A new method of diagnosing osteoarthritis

Naked Scientists Special Editions, iTunesU ·

2018/06/25

Osteoarthritis, a condition which damages the cartilage in joints, is a painful, debilitating condition. Millions suffer every year, and with an ageing population, that number will only increase. Therefore, improving diagnosis is an important goal. Adam Murphy spoke with Tom Turmezei from Cambridge University, to learn more about osteoarthritis and his Wellcome Trust funded project which aims to improve diagnosis...

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04:33

18.06.25 - World's first robotic eye surgery

Naked Scientists Special Editions, iTunesU ·

2018/06/24

If robots really are the future, then said future is certainly one step closer as of this week. For the first time ever, a robot has been used in surgery on the human eye. To find out more about this incredible feat of engineering, Isabelle Cochrane spoke to Dr Tom Edwards, the lead author of the study...

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04:07

18.06.18 - Is CRISPR-Cas9 a Cure or a Carcinogen?

Naked Scientists Special Editions, iTunesU ·

2018/06/17

CRISPR makes it possible to snip out undesired bits of DNA from our cells. This process holds the potential to cure genetic conditions such as cystic fibrosis. However, it seems that doing this isn't without risk. Marika Ottman went to the University of Cambridge and spoke with biochemist Jussi Taipale to learn more...

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04:23

18.06.08 - Regenerating enamel

Naked Scientists Special Editions, iTunesU ·

2018/06/07

Researchers have found a way to regenerate the enamel - or apatite - that's damaged by tooth decay. Katie Haylor spoke to Alvaro Mata from Queen Mary University of London... Sound effects from www.zapsplat.com

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04:44

18.06.07 - Fish Elevator Invented to Study Deep Sea Fish

Naked Scientists Special Editions, iTunesU ·

2018/06/06

We know more about the surface of mars than we do about the depths of our own ocean, but scientists from the California Academy of Science created an invention that allows researchers to bring never-before seen species from coral reefs in the deep sea to the ocean's surface. In the spirit of World Ocean's day tomorrow, Marika Ottman spoke with lead author Bart Shepherd to learn more...

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05:44

18.06.05 - How are new robots helping with surgery?

Naked Scientists Special Editions, iTunesU ·

2018/06/04

Millions suffer from osteoarthritis, a condition that causes joints, especially knee and hip joints, to become stiff and painful. Luckily these joints can be replaced by an implant with usually good results. However, scientists are going one step further, bringing robots into the operating theatre to improve precision, and patient outcomes. The Nuffield Hospital in Cambridge recently brought in one of these robot helpers, and Chris Smith spoke with the director of the hospital, Adrian

en

120 results

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