Galleries / Are Jellyfish Taking Over the World?

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You might think the world would be better off without the bacteria that cause acne and strep throat. You'd be wrong.

The animal kingdom boasts many an impressive form, from arching giraffe necks to spoon-shaped bird beaks to gigantic beetle claws. But evolution has worked on much smaller scales too, producing nanostructures that help animals climb, slither, camouflage, flirt, and thrive.

From "lesbian lizards" to sea stars, some animals can survive for quite a while without mating, thank you very much.