Naked Science Question and Answer show
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Footballs in space, mind-controlled machines and long-lasting bubbles join your questions on this week's Naked Scientists Question and Answer show. We discover the feminine side of prostate cancer and the robot that can walk up walls, and also hear how a computer has designed the next generation of mosquito repellents. Plus, we revisit the Phoenix mission on Mars, and also find out how surfing the internet can contribute more carbon to climate change than surfing the skies in an aeroplane! Plus, in Kitchen Science, Dave demonstrates a psychedelic effect with some milk.
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We’ve all heard the expression “the bee’s knees.” What I’d really like to know is, do bees really have knees?
Make beautiful moving psychedelic patterns in a bowl of milk with just some food colouring and washing up liquid.
Last week's show was all about Mars, just hours before the Phoenix mission was due to land. So did it touch down safely?
What would happen if two planets collided?
Do hairs lose their pigment and then go grey or do the coloured ones fall out and they get replaced by the grey ones?
If you’re driving up a motorway and get a lorry next to you on the front wheel of the lorry the nuts are sticking out. As it’s driving it looks like a ring because it’s going so fast. If you really burp the nuts then stop whilst you’re burping. Once you stop they start revolving ...
If vampires were real, could a person live on blood alone? Also, in the film Soylent Green they dried people out to make tablets for other people to eat. Is that feasible?
Why is the moon sometimes visible during the day?
If your hair is red why does it go white? Does it change structure?
Airlines often get a lot of criticism from the green movement for the amount of greenhouse gases they emit. But could the internet be overtaking them?
When does a meteor or meteorite grow in size to become an asteroid?
With regards impact craters on the Earth - how much would they differ on the Moon because of the lack of atmosphere, reduced gravity. Would a small meteor make a bigger crater?
Mark Peplow joins us once again from the Royal Society of Chemistry's magazine, Chemistry World...
My question of the week is about the acoustics of the didgeridoo. Could you please explain the science behind the cubic capacity of the internal chamber of the didgeridoo, in relation to it's length? Also, if they are tuned to a western key, are they louder than an off-key didg...
Why can birds touch electricity wires when we can’t?
Do we bleed blue blood out of our veins? Presumably if you bleed blood it’s the oxygen that makes it turn red. If we bleed in a vacuum would it bleed blue?
Why does the road surface appear to shimmer when it’s hot?
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