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• Record Breaking Whales

• A Peck on The Cheek? Not From One of These...

• Dr Chris Meets The Queen

• The Science of Superconductivity

• Applications of Superconductors

• A New Cooling Device

• How can an egg be inside another egg?

  I cracked open a large chicken egg this morning and out came the white, an egg yolk, and another fully-formed shelled egg. Any thoughts on why this happened?

• Gasses from water

  I've come across a website for a gas made using water, that ignites but is not hydrogen. I was wondering what your take was on this.

• Why is it that some people can memorise more things than other people?

  I've thought about it many times, but why is it that some people can memorise more things than other people? Is it due to differences in the brain?

• Where do fruit flies come from?

  When fruit is rotting in a bowl, you get horrible black flies coming out of them. How do they get there?

• Why does the moon look larger on the horizon?

  Why does the moon look larger on the horizon?

• How does cat saliva cause allergies?

  In your programme about allergies, you mentioned that the cause of cat allergy is the saliva in their skin. Could you please clarify whether this means saliva when a person is licked by a cat, by petting the cat after they've licked themselves, or a secretion from their skin with...

• How do magnets work as treatments?

  How do magnets work when they're used to treat injuries such as a frozen shoulder?

• Why does some underarm sweat turn shirts yellow?

  Why does the sweat of some people's underarms turn their shirts yellow?

• Frying pans and Levitation

  This week Derek Thorne is with Professor Ted Forgan from Birmingham University and student helpers Cathy and Dan from Hills Road Sixth Form College in Cambridge. They're going to be using a frying pan and some liquid nitrogen to demonstrate the science of superconductivity.

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