The Byrd Glacier in Antarctica creates a 100-mile-long, rock-floored ice stream. Pressure from glaciers and the ice shelf can force Antarctic water to flow uphill. (Photo: NASA)

How to make people like you, why you should lick rocks,* and what an awkward person is really thinking. Angela Duckworth (Grit author) is co-host; Mike Maughan (Qualtrics) is live fact-checker.

*Licking iron pyrite (fool’s gold), as discussed in the episode, produces a small amount of sulfuric acid. Lick at your own risk!

Angela Duckworth tastes iron pyrite — fool’s gold. (Photo: Mike Maughan)