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Why do lizards lose their tails?

Why do lizards lose their tails? -Bailey, Inwood, Iowa

Dear Bailey,

Our planet is home to all kinds of lizards. Maybe you’ve seen one climbing up the wall, scurrying through the grass, or at the pet store. Just the other day I saw a big green iguana when I visited the Washington State University Veterinary Teaching Hospital in search of an answer to your question. » More …

Why do animals hibernate?

Dear Dr. Universe: Why do animals hibernate? -Jarrett T., 10, Edinburgh, IN

Dear Jarrett,

Animals can get through winter in all kinds of ways. Us cats like to curl up on a cozy couch. Some penguins huddle in groups to create heat. A lot of birds fly south to warmer weather. Perhaps you put on mittens and a coat. » More …

Are animal and human bones the same?

Dear Dr. Universe, Do animals have the same types of bones and muscles as humans? -Lydia, 8

Dear Lydia,

The short answer is yes, said my friend Leslie Sprunger, a veterinarian and professor in the College of Veterinary Medicine at Washington State University. But, as always, there’s a catch. » More …