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Two Animals Switch Biomes

What if a capybara and a kangaroo rat switched homes? Would their adaptations be helpful at all?

New Uses For A Cardboard Tube

So, what can a cardboard tube be used for other than holding wrapping paper?

New Uses For A Chair

So, what can a chair be used for other than, you know, sitting in?

New Uses For A Pencil

So, what can a pencil be used for other than writing and drawing?

New Uses for a Paperclip

So what are some new ways to use a paperclip?

Math Curiosity: The Coloring Problem

No video gets me more email from students! How few colors can you use to color in any map so that no two, neighboring regions are the same color?