What Makes Mucus Green?

The Naked Scientists Podcast

Dr Chris Smith

Science Radio, Engineering, Naked Scientists, Natural Sciences, Technology, Life Sciences, Health & Fitness, Medicine, Science

4.6 • 957 Ratings

🗓️ 13 February 2011

⏱️ 67 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

How do magnets multiply? What keeps an aeroplane in the air? How do wild animals avoid incest? It's open season on science questions in this week's Naked Scientists. We'll find out if oil extraction leaves a cavity, can cranberry juice cut urine infection rates and what happens when two lightning bolts collide? In the news, evidence of bipedalism in an early human ancestor, how oily fish helps avoid common causes of blindness and how smartphones are taking the pain out of cardiac rehabilitation. Plus, in Kitchen Science, the unexpected physics of a flying balloon. Like this podcast? Please help us by supporting the Naked Scientists

Transcript

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0:00.0	Stripping down science, the naked scientists.
0:07.0	The Naked Scientists. Hello, it's Sunday, February the 13th, 2011.
0:19.0	Hello, it's Sunday, February the 13th, 2011.
0:21.6	Welcome to the Naked Scientists, with me Chris Smith with me
0:24.7	Diana O'Cal and with me Dave Ansel. This week we're taking on your science
0:29.2	questions. We'll find out what makes mucus otherwise known as snot green what would happen if two lightning bolts collided and is a hole
0:36.4	left underground after the oil and gas have been extracted.
0:40.3	Diana. And also this week news that scientists studying our early human ancestors have made a big step forward in understanding when they first began to walk on two feet, and evidence that eating oily fish can reduce the risk of developing some common forms of blindness.
0:55.0	And in kitchen science I'll be finding out why this happens.
0:59.0	If you hit a balloon across a room really fast, initially it travels straight, but then something
1:04.6	quite strange happens. Try it for yourself and find out late from the programme what you're seeing
1:08.9	and why you're seeing it.
1:10.5	So if you want to ask us a question, please get in touch. To contact us through Twitter,
1:15.4	tweet at naked scientists or you can write on our Facebook page that's naked scientists
1:20.0	dot com forward slash Facebook or you can of course email us it's Chris at the
1:24.9	naked scientist dot com.
1:28.6	The naked scientist podcast is powered by UK Fast the UK's best hosting provider on the web at UKfast.co.
1:37.0	UK.
1:40.0	This is the Naked scientist with Chris Smith, Diana O' Carroll and Dave Ansel.
1:47.0	And let's begin by taking a look at some of this week's top science news stories.
1:50.0	Diana, what have you got for us? Yeah, big news this week about the ability of Australopithecus affarensis to walk like a human.
1:58.0	Researchers have found that this species of early homininin had rigid arched feet and this means that
	...

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