Joe Johnson is a retired Port Jervis science teacher and Radio Catskill volunteer and he regularly brings us science stories that have caught his eye. This week Johnson discussed a woolly mammoth DNA discovery, ancient cave paintings, and a "hot Jupiter."WJFF's Jason Dole talked with Joe Johnson on Radio Chatskill.

Joe Johnson is a retired Port Jervis science teacher and Radio Catskill volunteer and he regularly brings us science stories that have caught his eye. This week Johnson discussed a woolly mammoth DNA discovery, ancient cave paintings, and a "hot Jupiter." WJFF's Jason Dole talked with Joe Johnson on Radio Chatskill.

Joe Johnson is a retired Port Jervis science teacher and Radio Catskill volunteer and he regularly brings us science stories that have caught his eye.&nbsp;This week Johnson discussed a woolly mammoth DNA discovery, ancient cave paintings, and a "hot Jupiter."WJFF's Jason Dole talked with Joe Johnson on Radio Chatskill.

Joe Johnson Talks Science: Mammoths, Cave Paintings, and Spherical Planets

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Joe Johnson Talks Science: Mammoths, Cave Paintings, and Spherical Planets

Joe Johnson Talks Science: Mammoths, Cave Paintings, and Spherical Planets