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"Convergent Evolution" Widespread at All Scales in Ocean

A study of marine tetrapods that "evolved" for ocean life shows "convergent evolution" rampant at all scales over "hundreds of millions of years."

How Intricate Patterns Grow in Flowers, Feathers

How does a growing flower bud or feather follicle know where to put the intricate colors and patterns on a mature flower or feather? Scientists are beginning to get partial answers.
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