According to natural selection, species evolve in ways that better enable them to survive and pass on their genes.  But sometimes evolution takes what may appear to be odd and unexpected turns.  Take, for example, birds that have wings but can't fly.  What can explain this strange phenomenon?

According to natural selection, species evolve in ways that better enable them to survive and pass on their genes. But sometimes evolution takes what may appear to be odd and unexpected turns. Take, for example, birds that have wings but can't fly. What can explain this strange phenomenon?

According to natural selection, species evolve in ways that better enable them to survive and pass on their genes.&nbsp; But sometimes evolution takes what may appear to be odd and unexpected turns.&nbsp; Take, for example, birds that have wings but can't fly.&nbsp; What can explain this strange phenomenon?

Grounded, With Wings

You have questions and A Moment of Science has answers. Short science videos and audio science podcasts provide the scientific story behind some of life\'s most perplexing mysteries. There\'s no need to be blinded by science. Explore it, have fun with it, but most of all learn from it. A Moment of Science is a production of WFIU Public Media from Indiana University in Bloomington, Indiana.

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Grounded, With Wings

Grounded, With Wings