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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 …

Why do people and animals get cancer more than they used to?

Why do people and animals get cancer more than they used to?  -Michael, Ceres, CA

Dear Michael,

A hundred years ago, human beings only lived to be about 50 years old. Now people are living longer, so there’s more time for cancer to develop in their bodies. That’s what I learned from my friend David Liu who researches cancer at Washington State University. » More …