The pupil of the eye dilates in low-light conditions. Does this mean that the same amount is let into the eye when we wear sunglasses? Plus, we ask if babies can tie themselves in knots. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

The pupil of the eye dilates in low-light conditions. Does this mean that the same amount is let into the eye when we wear sunglasses? Plus, we ask if babies can tie themselves in knots. Like this podcast? Please help us by supporting the Naked Scientists

The pupil of the eye dilates in low-light conditions. Does this mean that the same amount is let into the eye when we wear sunglasses? Plus, we ask if babies can tie themselves in knots. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate" rel="noopener noreferrer">supporting the Naked Scientists</a>

Do our pupils let in more light if we wear sunglasses?

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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Do our pupils let in more light if we wear sunglasses?

Do our pupils let in more light if we wear sunglasses?

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