A baby's gag reflex protects it from choking on solid food.

​Good information about the gag reflex

Jun 17, 2020

Why we gag.

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A woman looks through binoculars

​The history of binoculars and telescopes

Jun 11, 2020

The devices that help us see far away.

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A man clips his ear hair

​Why do we have hair on our ears?

Jun 10, 2020

Why does it grow there?

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Children see things in the difference with depth perception.

​Discussing depth perception

Jun 09, 2020

Near and far.

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A woman wears a face mask with glasses.

​How to wear a mask with your glasses

Jun 04, 2020

Keep safe and see clearly.

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A scratch n sniff sticker

​How do scratch-and-sniff stickers work?

Jun 03, 2020

The science behind the smells.

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