Do you know about John Snow? He's the man who first spotted that cholera is spread through dirty water which saved lots of lives. But how did he do it? In 5 mins flat, find out about his life and work. You'll discover he was also an expert in anaesthetics! Great guy!
Негізгі бет Фильм және анимация John Snow and the Broad St Cholera Outbreak 1854
Пікірлер: 7