Franklin W. Stahl, an American molecular biologist whose landmark 1957-58 experiment with colleague Matthew Meselson revealed ...

He and a colleague proved a theory advanced by the Nobel Prize winners James Watson and Francis Crick, who discovered DNA’s ...

The Franklin Institute is ranked #7 out of 34 things to do in Philadelphia. See pictures and our review of The Franklin Institute.

When we reflect on the trajectory of history, one undeniable truth surfaces: women have played a pivotal role in shaping our ...

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Paleontology and fossil records. Read about fossil finds over the last 10 years starting with the most recent research. Full text, photos.