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 <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

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

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 <a href="https://www.thenakedscientists.com/donate" rel="noopener noreferrer">supporting the Naked Scientists</a>

What happens when a caterpillar pupates?

Each week we set out to solve one of the world's weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there's a brand new question to think about for next time...

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What happens when a caterpillar pupates?

What happens when a caterpillar pupates?

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