Understanding what a dog is trying to communicate

Dogs have a remarkable ability to communicate through a variety of sounds, or vocalizations. Because each vocalization conveys a specific message or emotion, understanding the meaning behind different vocalizations can help ...

How nitrogen has been underestimated in lake ecosystems

An ecological imbalance in a lake can usually be attributed to increased nutrient inputs. This results in increased phytoplankton growth, oxygen deficiency, toxic cyanobacterial blooms and fish deaths. Until now, controls ...

Slimming down a colossal fossil whale

A 30 million year-old fossil whale may not be the heaviest animal of all time after all, according to a new analysis by paleontologists at UC Davis and the Smithsonian Institution. The new analysis puts Perucetus colossus ...

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