Doctors perform awake brain surgery on a 30-year-old woman thehindu.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thehindu.com Daily Mail and Mail on Sunday newspapers.
Know Your Body: The masseter muscle is capable of closing the teeth with a force as great as "25 kilograms on the incisors and an astonishing 90.7 kilograms on the molars"