Can I catch germs from a cockroach?

If the Universe is expanding, is it being pushed or pulled? Do men enjoy spice more than women do?
30 November 2018
Presented by Chris Smith

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Can I catch germs from cockroaches? How does the shape of the ear tell you where something is? If the Universe is expanding, is it being pushed or pulled? Is rain water better for crops than irrigation? What's the difference between macro and micro evolution? Do men enjoy spice more than women do?

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