Pam Groves pinched her nose as she brushed chilly mud from the bones of an extinct bison, a rotten-egg odor billowing from gristle that clung to the animal's bones. She raised her head to examine the horizon, cautious of bears who could be drawn to the meat of a creature that died 40,000 years ago. Groves and Dan Mann, both researchers at the University of Alaska Fairbanks, … [Read more...] about Scientists in Fairbanks Were Astounded to Discover an Entire 40,000-Year-Old Steppe Bison