Do children’s brains work better in the morning or in the afternoon?

Hang on tight because the human brain keeps you on a 24-hour roller coaster.

Every day the human body produces a chemical messenger in the brain called melatonin. It tells the body when it is time to go to bed.

“It’s just like your parents,” said my friend Samantha Gizerian, an assistant professor at Washington State University, who studies how kid and baby brains develop. “Except you can’t run away from melatonin.”

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Meet Dr. Universe

Hi, there. I’m Dr. Universe. Wendy Sue Universe, that is.

Ever since I was a kitten, I’ve been digging in the dirt, gazing at the stars, exploring new places, and searching for answers to all kinds of questions about our world.

Still, some people are surprised when they discover I’m a scientist. After all, it’s not every day you meet a cat in a lab coat.

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So, you want to be a scientist?

You are on your way! If you are thinking about becoming a scientist, reading Ask Dr. Universe is a great place to start. Get your own handy checklist or ask a question.

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