Mengapa orang yang punya bakat alami sering gagal mencapai potensi mereka sementara orang lain tidak terlalu berbakat bisa menggapai hal-hal yang menakjubkan?
For more than thirty years-half his life-da Vinci was obsessively devoted to investigationg everything in the natural world. Nothing escaped his interesrt: how our eyes see, ehy the sky is blue, wh…