Tech executive Amanda North was just 15 feet away from one of the explosions last April. That terrifying experience inspired her to quit her job, reevaluate her life, and launch a new company that could help people in the developing world. Read more>
"It’s the permanency of the tattoo and the symbolism of ‘We’ll never forget,’ and to have that lasting sentiment to have created art on your own body."
For the first time since the bombing, Adrianne Haslet-Davis performed a ballroom dance on the TED stage this week. Here’s how she did it.