Stories of photographing monumental people -- from Michelle Obama to Stephen Hawking | Platon

Are you a giver or a taker? | Adam Grant

The boiling river of the Amazon | Andrés Ruzo

The next step in nanotechnology | George Tulevski

Meet the inventor of the electronic spreadsheet | Dan Bricklin

Why some of us don't have one true calling | Emilie Wapnick

Sunday Pick: How to value friendship (w/ Rhaina Cohen) | How to Be a Better Human

What silence can teach you about sound | Dallas Taylor (re-release)

700 million people still live without electricity. Here’s how to fix that | Jacqueline Novogratz

How to get people to do what you want | Barry Sonnenfeld