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2nd Sep 2007

Question and Answer Catch up!


Dave Ansell

Kat Arney

Chris Smith

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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Science News

Chimaeric human / animal hybrid embryos – what’s going on?

On Wednesday 5th September, the UK’s Human Fertilisation and Embryology Authority (HFEA) announced their decision that British scientists can press ahead with research to generate animal / human hybri...

Plants can hear - so it might make sense to talk to them after all

Korean researchers claim to have discovered two sound-sensitive genes in rice plants. Mi-Jeong Jeong and colleagues from the National Institute of Agricultural Biotechnology in Suwon, South Korea, m...

Spiderman Suit Inches Closer

The dream of being Spiderman- or Spiderpig if you're a fan of the Simpsons - could be a step closer after the latest research by a group of Italian physicists. Over the past couple of years scientist...

World's smallest thermometer - a single molecule

Researchers have found that a green-glowing chemical from a jellyfish can be used as a molecular thermometer. Known as GFP - green fluorescent protein - the substance is used by biologists to harmle...

Interviews

Out of Body Experiences - On Demand!

Henrik Ehrsson, Olaf Blanke & Thomas Metsinger, UCL

Pygmy FM

Scott Poynton, Tropical Forest Trust

Science Update - Bad Diet Food and the Placebo effect

Bob Hirshon & Susanne Bard, AAAS

Kitchen Science

Warping Wineglasses


Amaze your friends at a party by making some really strange sounds from a wineglass.
I think a whole new section on the show, could be where "we" ask Kat to make noises of different cells and body parts. I would tune in just ...
- paul.fr - 6th Sep 07

How about her doing a voiceover for an advert for that washing-up liquid that leaves crockery "Squeaky Spleen"!...
- DoctorBeaver - 10th Sep 07
Whole Thread | Post Reply

Questions

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?


 

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?


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?


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?


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.


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?


Is heart disease reversible?


How close is the Apophis asteroid going to come to us? Do I need to build a shelter?


How is your lifespan determined?




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