Dear Yulissa,
Your brain weighs less than 3 pounds but has the power to move your whole body. That’s because it’s part of your nervous system.
Your brain and the spinal cord that runs down your back make up your central nervous system. You also have a peripheral nervous system made up of nerve cells. These connect your brain and spinal cord to all the other parts of your body.
Read More ...Dear First Graders,
You’re right, brains are quite mushy. It turns out the three-pound organ between your ears is mostly made up of water and fat.
I found out all about brains from my friend Jim Peters, a neuroscientist at Washington State University.
“It’s gooey. It really is squishy,” he said. “When it is warm, it is kind of like butter.”
Read More ...Dear Daniel,
Our brains work hard to help us move, talk and think. They also help us sleep. When we rest, some parts of our brain are active. When we are up and moving around, parts of our brain are actually at rest.
Read More ...Dear Hannah,
You’re enjoying some ice cream, when suddenly you feel a pain in your head that hurts a whole lot. It’s like it came out of nowhere, and in a matter of seconds, it’s gone.
Read More ...Dear Prahlad,
After a quick catnap and a stretch, I went to visit my friend Marcos Frank, a scientist at Washington State University who studies animal sleep.
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Dear Rohan,
The left and right side of the brain each have unique abilities, so when they come together, it’s a kind of brain duet.
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Dear Hailey,
Cats love attention, but we don’t get jealous like humans do. It’s one of those emotions that set human beings apart from other creatures in the animal kingdom. But I can’t imagine it’s the most pleasant. The poet William Shakespeare once called jealousy a green-eyed monster. Still, it’s an emotion that can help you navigate the world.
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