Biologists find weird cave life that may be 50,000 years old

In this July 3, 2008, file photo, New Mexico Tech professor Penny Boston crawls through the Mud Turtle Passage on the way to the Snowy River formation during an expedition in Fort Stanton Cave, N.M. Boston, who discovered extreme life in New Mexico caves in 2008, presented new findings on Friday, Feb. 17, 2017 of microbes trapped in crystals in Mexico that could be 50,000 years old. less FILE - In this July 3, 2008, file photo, New Mexico Tech professor Penny Boston crawls through the Mud Turtle Passage on the way to the Snowy River formation during an expedition in Fort Stanton Cave, N.M. ... more BOSTON - Scientists examining caves in Mexico have found life trapped in crystals that could be 50,000 years old.