(Phys.org)—Say "La Brea Tar pits," and most people imagine the saber-tooth cats and woolly mammoths that were trapped on sticky asphalt (now in modern-day Los Angeles), only to have their bones preserved for the ages. But ...

Space & Earth - Environment

Feb 21, 2013 5 / 5 (6) 0 |

A new strategy to manage invasive species and achieve broader conservation goals is being tested in the Grand River Grasslands, an area within the North American tallgrass prairie ecoregion. A University of ...

Biology - Ecology

Jul 10, 2012 5 / 5 (1) 0

New research concludes that a one-two punch of drought and mountain pine beetle attacks are the primary forces that have killed more than 2.5 million acres of pinyon pine and juniper trees in the American ...

Biology - Ecology

Jun 27, 2012 5 / 5 (2) 0

Genetic detective work by an international group of researchers may have solved a decades-long mystery of the source of a devastating tree-killing fungus that has hit six of the world's seven continents.

Biology - Biotechnology

Sep 01, 2011 4.3 / 5 (10) 2 |

As the U.S. Southwest grew warmer from 18,700 to 10,000 years ago, juniper trees vanished from what is now the Mojave Desert, robbing packrats of their favorite food. Now, University of Utah biologists have ...

Biology - Ecology

Apr 06, 2009 4.8 / 5 (4) 2