Can you teach an old gene new tricks? Scientists put an ancient gene into modern bacteria, like pressing rewind and play on evolution, to see if we get results that we expect.

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Evolution explains how living things change over successive generations, giving rise to diversity. Across the evolutionary history of Earth, the formation, changes, and extinction of species have been observed. Even though evolution happens very slowly, we see evidence of its action in the shared traits among seemingly…

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    Resurrecting Ancient Proteins and Simulating Evolution in the Lab The ancient version of a special protein caused bacterial cells to multiply faster.

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    How does a cell stay alive? How do molecules in a cell “know” how to react with one another? Does this chemistry become more complex over time, and if so, why? In Dr. Betül Kacar’s lab at Harvard University, scientists look for answers. In order to understand how a complex communication system…

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