Scientific and record-breaking markets usually resolve on a named certifying body rather than on the event itself: a temperature record must be ratified, a new element confirmed by a joint working party, an athletic record homologated. Ratification takes months and occasionally never happens, which means the event can occur and the market still resolve no. You read which body certifies, learn its timetable, and trade the gap between the achievement and its confirmation.
Markets on Polymarket where record & discovery certification-body rules is the natural play: