Mike Segar / Reuters

The Exoskeleton's Hidden Burden

A growing number of companies are developing assistive technologies to help disabled people walk—but these devices can distract from infrastructure changes that would make cities more disability-friendly.

Guy Aitchison / Jon Clue

Repainting the Scar

Tattooing over scar tissue can be tricky, but it can help some people—like victims of severe burns—feel comfortable in their bodies again.