View full lesson: http://ed.ted.com/lessons/why-do-some... What do Charles Darwin, Michael Jordan, and Yoda have in common? They, like many other historical and fictive individuals, are bald. Scientists have long pondered, why do some people lose their hair, and how can we bring it back? Sarthak Sinha explores the basics of baldness. Lesson by Sarthak Sinha, animation by Brett Underhill.