I'm fascinated by stories about origins: Where and how did things start? And how did what we see today come to be? Every great superhero has an origin story...

There's a feeling you sometimes get after you hear about a tragedy, an unanswered problem, a hole in the world. You wonder how you can help -- and you ask yourself: Do these people, does this broken world, need what I can offer?

One poor country has stood out in its commitment to achieving excellent health for all of its citizens, despite its limited budget. This country has been so successful that it's now working in solidarity with other countries that have struggled with their desire to provide health care to their own people. That country is Cuba...

"Hello James Veitch,

I have an interesting business proposal I want to share with you,

Solomon."

James makes the uncommon choice of hitting the "reply" button, and so begins what has to be one of the funniest TED Talks of all time...

Tori Murden McClure was in a rowboat no larger than a pickup truck bed, in the middle of the ocean, rowing straight into a hurricane. She had dreamed of becoming the first woman to row across the Atlantic, but as seven-story waves smashed against her again and again, it wasn't clear if she could even survive another night.