These are today's best ideas
1. Children have pretty flexible ideas about gender identity. Maybe we can learn from them.
By Joan Brasher at Vanderbilt University
2. Levels of this hormone can reveal when we want to overeat.
By Johns Hopkins Medicine
3. There’s nothing wrong with searching for ways to fight aging.
By Laurie Zoloth in Cosmos
4. Americans aren’t really worried about war with North Korea. Here’s why.
By David Barno and Nora Bensahel at War on the Rocks
5. What does the Hawaii false alarm tell us about the horrors of human error?
By Paul McLeary in the Atlantic
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.