These are today's best ideas
1. Why isn’t homelessness a national crisis?
By Alyssa Walker in Curbed
2. This NFL season, more than 250 players suffered on-field concussions. Here’s what that looks like.
By Josh Begley in Field of Vision
By Eillie Anzilotti in Fast Company
4. In the future, dentists won’t bother filling cavities. They’ll just teach your teeth to regrow.
By Ferris Jabr in Scientific American
5. To address our deepening climate crisis, environmentalists might have to accept some ugly tradeoffs.
By David Roberts in Vox
The Aspen Institute is an educational and policy studies organization based in Washington, D.C.
TIME Ideas hosts the world's leading voices, providing commentary on events in news, society, and culture. We welcome outside contributions. Opinions expressed do not necessarily reflect the views of TIME editors.