Weallhaveabiologicalclocktickingawayinsideusthatgovernsourdailyrhythms.Thisaffectsourhealthasmuchasourdietandwhetherweexercise.Sowhatcanwedotomanagethisinternalclockbetter? Tofindout,evolutionarybiologistEllaAl-ShamahilocksformercommandoAldoKaneinanabandonednuclearbunkerwithnowayoftellingthetime-fortendays.Monito..ddd