Every high school biology student knows the structure of DNA is a double helix, but after DNA is converted into RNA, parts of RNA also commonly fold into the same spiral staircase shape.In a literal scientific twist, researchers are finding examples of a...
Decisions made by Colonial era settlers to dam Connecticut waterways triggered sudden and parallel evolutionary changes in two species of fish competing for food, a new Yale University study shows.From Bride Lake in Connecticut, an alewife with access to...