Five Best Ideas of the Day: November 5

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The Aspen Institute is an educational and policy studies organization based in Washington, D.C.

1. Beyond PTSD: Returning soldiers struggle to recover from the ‘moral injury’ of war.

By Jeff Severns Guntzel in On Being

2. On climate and so many other scientific issues, the way we communicate polarizes audiences. We can do better.

By Paul Voosen in the Chronicle of Higher Education

3. Entrepreneurs and educators need to observe students in school if they want to make real change.

By Alex Hernandez in EdSurge

4. Lifesaving ultrasound technology may soon come to a device the size of an iPhone. The applications for medicine in the developing world are massive.

By Antonio Regalado in MIT Technology Review

5. Many Arab governments are fueling the very extremism they purport to fight and are looking for U.S. cover. Washington should play the long game.

By Michele Dunne and Frederic Wehrey at the Carnegie Endowment for International Peace

The Aspen Institute logo next to text: “The Five Best Ideas Today is produced jointly by TIME and The Aspen Ideas Institute”

The Aspen Institute is an educational and policy studies organization based in Washington, D.C.

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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.