Ask A Biologist heading

Invisible Watery World

When you visit a pond or the beach, you might see fish, frogs, crabs, insects, seaweed, or lily pads. Don’t let your eyes fool you, though… there’s a hidden world in water full of creatures too small to be seen!

Venom!

Build your own protein channel from paper, play the Venom! invader game on the computer to test your skills battling scorpion venom, or browse our Protein Art section to see the many different ways scientists view protein.

Spaced out Physiology

Being an astronaut is a cool job, but before you sign up you should know life in space isn’t all fun and games.  The lack of gravity can make our bodies act in strange ways.

Macadamia Nut

Is a Macadamia nut really a seed, or a nut?
Answer >>

 

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