Question and Answer Catch up!
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This week, Chris and Co are back from their holidays! So they're tackling their bulging mailbag of your questions. We discuss how scientists have been given the green light to cross human DNA with animal cells all in the name of medicine, eavesdroppers in your garden - the plants that respond to sound, and the world's smallest thermometer - only one molecule! We also tackle questions on keeping your beer cool on the beach, massive melons and the horticultural properties of wee. We find out about how radio shows can give Pygmies a voice and how anyone can have an out of body experience now that scientists have discovered how to trick your senses into making them happen. Plus, in Kitchen Science, Dave shows us how to make eerie music with a wine glass!
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When I wear my contact lenses, chopping onions doesn’t make my eyes water, does this mean only the part of the eye that’s covered by contact lenses is sensitive to onion vapours?
On holiday, I bought a massive green melon on my way to the beach. We left it in the sun but after 3 or four hours when we cut it open to eat it was still cool inside. How did this happen?
When I get sunburn it seems like it takes a long time before the suns damage appears on my skin. Sometimes I don’t see it or feel it until later in the day. Why is that?
How could Radio help rainforests? Through a community radio station lovingly nicknamed Pygmy FM, indigenous people can highlight the trees that are vital to their lifestyle, and loggers on the right wavelength learn to avoid them. Nature's Mike Hopkin spoke to Scott Poynton of t...
My television remote control stopped working, so I replaced the batteries. The new batteries got really hot - too hot to touch. What causes this to happen?
How far can I drop an Ant before it dies? They seem pretty tough.
Does urinating on plants help or hurt them? I suspect a little bit helps, especially if it's clear and not too yellow, but too much could kill the plant.
This week Bob and Susanne tell us why diet foods might actually make kids fat and why the placebo effect works on some people and not others.
My girlfriend has O negative blood and I have O positive. I've heard that this can cause problems with pregnancy, is this true? If so, what are the consequences?
How does bacteria brave the cocktail of acid in our stomach to cause food poisoning?
I work near non-ionising radiation in my work. What is this, and is it dangerous?
Out of Body Experiences (OBE's)may be spooky, but they can tell us a lot about how the brain works. Now, scientists have found a way to cause OBE's at will...
Is heart disease reversible?
Amaze your friends at a party by making some really strange sounds from a wineglass.
How close is the Apophis asteroid going to come to us? Do I need to build a shelter?
How is your lifespan determined?
If you wrap a beer on the beach, on a hot day, in a wet towel and leave it in the sun it will cool down which seems unlikely but not impossible and I think the key to this is latent heat of vaporisation. What do you think?
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