Why evolution often favors small animals and other organisms

Small really does seem to be beautiful in evolutionary terms. The largest dinosaurs, pterosaurs and mammals may look impressive but these giants are vastly outnumbered by microscopic bacteria and single-celled algae and fungi. ...

New 'forever chemical' cleanup strategy discovered

As the U.S. Environmental Protection Agency cracks down on insidious "forever chemical" pollution in the environment, military and commercial aviation officials are seeking ways to clean up such pollution from decades of ...

Brazil flooding death toll surpasses 100

The death toll from devastating floods that have ravaged southern Brazil for days surpassed 100 on Wednesday, authorities said, as the search for dozens of missing people was interrupted by fresh storms.

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