Five Best Ideas of the Day: December 9, 2016 - The Aspen Institute

Could staying awake combat depression?

Louisa J. Steinberg in Scientific American
If the U.S. pulls back from NATO, could Germany build a nuclear deterrent?

Ulrich Kühn at the Carnegie Endowment for International Peace
Want to improve wind and solar power? Bring them together.

Ben Jervey in Ensia
Women use cities differently from men. Urban design should reflect that.

Alexander Starritt at Co.Exist
Declining racism might make racists more racist.

Daniel Engber in Slate