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Science Fail: Shaky Assumptions Topple Long-Held Notions

Science is supposed to be self-correcting, we're told. But when towers of belief are built on assumptions later shown to be false, the consequences can be monumental.

Early Fossil Bird Feathers Were Modern and Colorful

The predicted gradual sequence from fuzz to flight remains mythical, as modern feathers show up too early for Darwin's comfort.
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