John Spear
@spearmicrobe.bsky.social
Professor, Colorado School of Mines: Environmental Microbiology; Geobiology; Life in Extremes; Environmental Policy; Climate Change. ORCiD: 0000-0002-4664-7438
https://people.mines.edu/jspear/
https://people.mines.edu/jspear/
Whoa!—that’s definitely above the 2 ppb human detection limit = stinky!
November 25, 2025 at 12:23 AM
Whoa!—that’s definitely above the 2 ppb human detection limit = stinky!
What, H2S too much? H2S = smell of home = Yellowstone
November 24, 2025 at 11:53 PM
What, H2S too much? H2S = smell of home = Yellowstone
August 9, 2025 at 7:37 PM
Hey George—took it last year, Jenn is TA-ing this year. We are almost ready for mayhem to start tomorrow evening. Hope all is well your way!
July 6, 2025 at 1:44 AM
Hey George—took it last year, Jenn is TA-ing this year. We are almost ready for mayhem to start tomorrow evening. Hope all is well your way!