What happens when a caterpillar pupates? - a podcast by Dr Chris Smith

What happens insides the shell of a chrysalis? Does the caterpillar turn into a protein-y mush or does it simply grow wings? Plus, we ask what happens once the universe has finished expanding. Like this podcast? Please help us by supporting the Naked Scientists

Further episodes of Question of the Week, from the Naked Scientists

Further podcasts by Dr Chris Smith

Website of Dr Chris Smith