1. Bee Balls : Honeybee hordes use two weapons - heat and carbon dioxide - to kill their natural enemies, giant hornets.

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  2. Stingray migration : Looking like giant leaves floating in the sea, thousands of Golden Rays are seen here gathering off the coast of Mexico.

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  3. PatchMatch : A randomized correspondence algorithm for structural image editing.

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  4. Macropinna microstoma , the barreleye fish has unusual tubular eyes which are extraordinarily good at harvesting light. Furthermore, it can rotate its eyeballs in order to see upwards through its transparent head shield.

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