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Https://www.youtube.com/watch?v=2 FRo2OiMwc 3-D model of the sounds made by forest elephants excited about a mating event in the Dzanga forest clearing, Central African Republic. Lowest frequencies are to the left. The height of the peaks indicates how much energy in in that frequency.
Biologists have a definition for teaching that very few animals actually meet, such as orcas and meerkats. Here are a few more from the head of the class. ....
New technologies increasingly make it possible to perform nasal airway procedures like septoplasty, turbinate reduction, and nasal valve treatments without stepping into an OR. ....