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Rosalind Franklin saw DNA's helix before Watson and Crick, study says

A new study of Rosalind Franklin’s Photograph 49 says she suspected DNA’s helical shape and took her famous Photograph 51 to ...

Geologists uncover evidence of a missing Late Cretaceous magmatic arc in northwestern Iran

Mountains preserve evidence of ancient oceans, moving continents and tectonic processes that have shaped Earth over millions ...