Why did the dinosaurs go extinct? Many of you have learned about the meteorite that scientists say hit the earth 66 million years ago and killed off many dinosaur species. But some dinosaurs survived, and the birds you see flying around today are their direct descendants! In this episode we trace the connection between modern birds and prehistoric dinosaurs. Other questions include:

• Were any dinosaurs mammals?
• How did bird dinosaurs survive?
• Are crocodiles related to dinosaurs?
• Did dinosaurs have feathers? How do we know?
• Did all dinosaurs lay eggs?

Our guest is Dr. Emily Bamforth, curator of the Philip J. Currie Dinosaur Museum in Alberta, Canada.

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Why are brothers and sisters so annoying? Why do siblings often look a lot alike? Why do siblings fight? Can your sister be your best friend? Why do we fight with our siblings even if we love them? But Why takes a look at the sibling relationship with Susan Dominus, author of The Family Dynamic.

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Why are rabbits called bunnies? Why do they have fur? Why do bunnies have puffball tails? Why do rabbits have eyes on the sides of their heads? Why do rabbits hop? Our guest is Margo DeMello, professor of anthrozoology at Carroll College in Montana. She’s also a rabbit rescuer and rehabilitator who is currently caring for 12 rabbits in her home!

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