The Guardian15 French volunteers leave cave after 40 days without daylight or clocksApr 25, 2021more_vert
ScienceAlert15 People Just Spent 40 Days in a Cave Without Phones, Clocks, or SunlightApr 26, 2021more_vert
VICE15 People Lived 40 Days in a Sunless Cave Without Clocks to Study TimeApr 26, 2021Becky FerreiraBy Becky Ferreiramore_vert