Can I catch germs from a cockroach? - a podcast by Dr Chris Smith

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? Like this podcast? Please help us by supporting the Naked Scientists

Further episodes of Ask the Naked Scientists

Further podcasts by Dr Chris Smith

Website of Dr Chris Smith