Early mammal varieties declined as flowering plants radiated

The dramatic explosion of flowering plant species that occurred about 100 million years ago was thought to have been good news for evolving mammals, providing them with new options for food and habitat. But research by geologists ...

Soil samples reveal urban mercury footprints

Indianapolis, St. Louis, Detroit, Buffalo, Richmond and Providence – cities scattered across the eastern half of the United States – have something in common, all have coal-fired power plants. A new study from the ...

High-tech swimsuits are 'bad news', expert says

Joel Stager, director of the Counsilman Center for the Science of Swimming at Indiana University, says it's about time elite swimmers come around to the idea that high-tech swimsuits are bad news.

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