But the industry must not stand still . Air crashes are extremely rare , says Bill Gates , and 80 percent are survivable . He says passengers can take several steps to increase their chances of survival . He says new rules require that wings and engines be made to withstand stronger forces .
Air crashes are extremely rare , says Bill Gates , and 80 percent are survivable . He says passengers can take several steps to increase their chances of survival . He says new rules require that wings and engines be made to withstand stronger forces .