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Rare jaguar sighted in mountains of Arizona

/ Mar 3, 2017

Rare jaguar sighted in mountains of Arizona

Wildlife officials say they have evidence of a rare jaguar sighting in the United States. The U.S. Fish and Wildlife Service released a photo Thursday from a trail camera that was taken in November and recently retrieved. It shows the endangered spotted cat wandering ...

/ Mar 3, 2017

City noise is linked to hearing loss

Urban noise pollution and hearing loss are closely linked, according to rankings of 50 large cities in both categories released on Friday. High-decibel urban areas — such as Guangzhou, New Delhi, Cairo and Istanbul — topped the list of cities where hearing was most ...

U.N. reports Antarctica's highest temperatures on record

/ Mar 2, 2017

U.N. reports Antarctica's highest temperatures on record

The U.N.’s World Meteorological Organization published the highest temperatures on record in three Antarctic zones Wednesday, setting a benchmark for studying how climate change is affecting this crucial region. Mapping Antarctica’s extremes is essential for understanding weather patterns, and teasing out natural climate variability ...

Doctor donates kidney to save ailing colleague

/ Feb 27, 2017

Doctor donates kidney to save ailing colleague

It’s not unusual for a surgeon to save another doctor’s life. But Dr. Colleen Coleman did so by going under the knife to help an ailing colleague who desperately needed a kidney. Coleman donated to Dr. Brian Dunn, an anesthesiologist she works with at ...