KNAU update for Nov. 24

Botanist Charles Parry arrived at the Virgin River in southern Utah in the spring of 1874, eager to discover a trove of unusual plants. His timing was good-he was enthralled by the blossoming of the Virgin Valley that year. Learn more at KNAU.org.

Commentator Scott Thybony remembers a summer spent with an Inuit family in the Canadian Arctic. The experience was one of different cultures coming together learning what they had in common, and as is often the case, food was a connective thread. Learn more at KNAU.org.

People with Parkinson’s disease often develop trouble with their voices; they begin to whisper and mumble. Speech therapy can help, but so can singing. Flagstaff is one of many cities with a Parkinson’s choir. Learn more at KNAU.org.

NASA announced two years ago strange dark streaks on Mars might be formed by liquid water. But a new study led by a Flagstaff geologist says that’s not the case. Learn more at KNAU.org.