Racing

Alex Hintermair clings to his ox Maxl during a race on Ascension in Bavaria on May 10th, 2018, in Taufkirchen, Germany.

Competitors of equal ability and status are more likely to engage in dangerous driving.

A team member from the Netherlands prepares their vehicle, "Nuna9," for racing on day two of the 2017 Bridgestone World Solar Challenge on October 9th, 2017, in Dunmarra, Australia.

Sports leagues in the U.S. use TV blackouts to force fans into the stands. But research shows local coverage actually increases game attendance.