NYT It takes backbone to solve an enigma like the “falling cat” problem. In 1894, the French physiologist Étienne-Jules Marey tried to resolve a particularly vexing question in science: How do cats… NYT It takes backbone to solve an enigma like the “falling cat” problem. In 1894, the French physiologist Étienne-Jules Marey tried to resolve a particularly vexing question in science: How do cats always seem to land on their feet when they fall? Us... [993 chars]