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3m 34s

How Your Dog's Nose Knows So Much

Dogs have a famously great sense of smell, but what makes their noses so much more powerful than ours? They're packing some sophisticated equipment inside that squishy schnozz.

3m 57s

A Sand Dollar's Breakfast is Totally Metal

Their skeletons are prized by beachcombers, but sand dollars look way different in their lives beneath the waves. Covered in thousands of purple spines, they have a bizarre diet that helps them exploit the turbulent waters of the sandy sea floor.

3m 38s

How Kittens Go From Clueless to Cute

Fluffy kittens chasing a ball are beyond adorable -- but they sure aren't born that way. Practically deaf and blind, in their first few weeks they need constant warmth and milk to survive. This is a huge challenge for animal shelters, so they're working with researchers on ways to help motherless kittens flourish.

4m 22s

Watch This Bee Build Her Bee-jeweled Nest

Pollinator. Mason. Jeweler. A female blue orchard bee is a multitasking master. She fashions exquisite nests out of mud and pollen that resemble pieces of jewelry. And in the process, she helps us grow nuts and fruits.

3m 33s

You'd Never Guess What an Acorn Woodpecker Eats

OK. Maybe you would. But the lengths they have to go to to stock up for the winter *will* surprise you. When you see how carefully they arrange each acorn, you might just need to reorganize your pantry.

3m 4s

Why Do Tumbleweeds Tumble?

The silent star of classic Westerns is a plant on a mission. It starts out green and full of life. It even grows flowers. But to reproduce effectively it needs to turn into a rolling brown skeleton.

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