Five Best Ideas of the Day: April 30, 2018 - The Aspen Institute

How design could take viral outrage off of Facebook.

Tobais Rose-Stockwell in Quartz
How Europe can save the Iran nuclear deal.

Mark Leonard at Project Syndicate
This ‘ray gun’ can stop attackers turning vehicles into weapons.

Patrick Tucker at Defense One
Researchers just found a genetic basis for major depression.

UNC Healthcare
Could Oman’s carbon-absorbing rocks save the planet?

Henry Fountain and Vincent Fournier in the New York Times