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Pollution Helps Weeds Take over Prairies

Radio Search Finds Few Distant Quasars

Smallest Frog Leaps into the Limelight

Confining Superfluid Helium to a New State

Colorectal Cancer: To Screen or Not?

Surprising Pair of Diabetes Genes Debuts

Smart Materials for Tiny Robotic Rovers

Gone Fishing! Scientists Use Mutant Zebra Fish to Learn How Vertebrate Embryos Develop

Animal Science

Physics

The Splintered Universe

Earth Science