‘Smart underwear’ measures how often humans fart

Are you a “zen digester,” or a “hydrogen hyperproducer,” or are you normal?

An illustration of a woman in a yellow shirt and jeans standing in a field smelling flowers and farting. Flower petals blow behind her.

When it comes to farting, what is normal? Scientists have devised “smart underwear” to figure it out.

Pete Ryan

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Everybody farts.