00:00Fighter jets copy birds, and it saves thousands of liters of fuel.
00:04When a jet cuts through air, it creates vortices.
00:08Trailing aircraft slot into these invisible energy pockets.
00:12They gain free lift.
00:13Engines work less.
00:15Fuel burn drops by up to 15%.
00:18Here's where it gets wild.
00:20Geese figured this out millions of years ago.
00:23Scientists strapped heart monitors to pelicans mid-flight.
00:26The trailing birds' heart rates actually dropped.
00:29Nature had already solved the equation.
00:32Boeing noticed.
00:33In 2020, they tested commercial airliners flying in military-style echelon formations.
00:39The potential savings?
00:41Billions in fuel costs every single year.
00:44Evolution built the blueprint.
00:46Engineers just finally read it.
00:48Follow for more mind-blowing facts every day.
