Five Best Ideas of the Day: November 20

1. Hacking out of prison: San Quentin inmates are learning to code.

By Charley Locke in EdSurge

2. Your breath could reveal a fake: How a beetle’s camouflage trick might make money harder to counterfeit.

By James Urquhart in Chemistry World

3. Russia has learned there’s a great deal it can get away with in Ukraine.

By Amy Knight in the New York Review of Books

4. Protected areas like wetlands and coral reefs are at highest risk from climate change but can also be part of the solution.

By Adam Markham at the Union of Concerned Scientists

5. A U.S. deal with Iran could reset the Mideast balance of power.

By Patrick Smith in the Fiscal Times

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