View full lesson: http://ed.ted.com/lessons/why-do-some-people-go-bald-sarthak-sinha What do Charles Darwin, Michael Jordan, and Yoda have in common? They, like many other historical and fictive...
========== What do Charles Darwin, Michael Jordan,
and Yoda have in common?They, like many other historical
and fictive individuals, are bald,in some cases by their own choice.For centuries, a shining dome has been
a symbol of intelligence,but despite this, many balding people
still wish their hair would return.Scientists have long pondered,"Why do some people lose their hair,
and how can we bring it back?"The full-headed among us have about
100,000 to 150,000 hairs on our scalps,and scientists have discovered two things
about this dense thicket.Firstly, the sprouting hair we see
is mostly made up of keratin,the protein leftover from dead cells
that are forced upwardsas new cells grow beneath them.Secondly, the structures
that drive hair growthare called ha...
