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Ask Dr. Universe February 2018

Can video games help us learn? - Isaac, 12, Clyde, N.Y.

Dear Issac,

All kinds of games can help us learn, including some video games. They can be a fun and useful way to help you remember what you learn, too.

Our brains work hard each day to take in and process information. Ever since video games were invented, people have been asking if and how they might change our behavior and brains.

For example, people once thought that video games left players with poor eye-sight and poor attention. Some scientists decided to actually test out these ideas. Their studies have shown that some video game players actually … » More …

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Dear Dr. Universe: Why does hair turn gray? –Darae, 10

[caption id="attachment_2942" align="alignleft" width="592"] Dr. Universe examines a gray hair.[/caption]

Dear Darae,

Hair comes in lots of different colors. There’s black, medium brown, auburn, light brown, strawberry blonde, and copper, to name just a few. But in the end, almost everyone will have hair that’s gray or white.

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