Why do I have to go to bed?

Why do I have to go to bed?

Do you find bedtime annoying? Find out why sleep is a good thing...
Ew, poo!

Ew, poo!

What do you know about poo?
How long are your intestines?

How long are your intestines?

Your guts are longer than you think!
Let the light in!

Let the light in!

How do your pupils work?
Why do we puke?

Why do we puke?

Sick science!

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