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Dear Dr. Universe: How do we talk? – Emmy, 7, Wash. State

Dear Emmy, When you were a little kid, maybe you played Peek-a-Boo or sang “Itsy Bitsy Spider.” These kinds of games and songs have a lot of the different sounds we make when we are first developing speech. A lot of humans start out playing with speech through cooing and crying. At about six months old, this cooing and crying turns to babbling. A baby might make sounds such as ma-ma, pa-pa, or ba-ba. Read More ...

Dear Dr. Universe, Please answer this question: Do animals dream? What dreams do they get? I humbly request you to answer these questions. BYE! Or should I say MEOWY! -Prahlad R.

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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Why do we get jealousy? I can feel it sometimes, too, but I don't know why.  -Hailey, 10, London, Ontario

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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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Dear Dr. Universe, Do bugs have hearts and brains? -Nick

Take a look inside a bug and you’ll find one brain in its head and other little brains called “ganglia” along its whole body. These tiny control centers help insects see, taste, and smell. They also help them quickly escape threats, like other bugs.

“If you had little brains everywhere else, you would also be much quicker,” says bug expert Laura Lavine. Read More ...