This episode brings you a slew of dog and cat mystery sounds to puzzle over. Can you tell the difference playful barks and warning barks? How about decoding the meaning behind a cat’s meow?
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Oct 6
The hows and whys of hair
The hair on our heads is on our minds. We have fun with follicles and learn about how they make hair. Our experts help us decipher what makes hair black or brown, blonde or red, and even why it turns gray. From eye lashes to ear and nose hair, this episode has it all. Why do huma ... Show More
31m 19s