After Jeff Carroll got tested to see if he’d die prematurely from a hereditary disease that killed his mother and grandmother, a doctor unfolded the results, checked to see if Carroll still wanted them, then read them aloud.
Maybe you remember All from an 11-minute YouTube video in which he films his own escape from a 70-foot crevasse on Everest in 2014. In Icefall, the scientist elaborates on other scary run-ins from his travels…