Extracting confessions from a serial killer

For artist Daniel Lismore, dressing up in elaborate costumes is for every day — not just Halloween. He's on a mission to inspire others to find the confidence to be who they truly are. Watch his full TED Talk here: http://t.ted.com/PbgtMCy | TED

The ocean's twilight zone — yes, it's real! — could hide as many as 1 million new species of fish. Scientist Heidi Sosik wants to protect and explore these uncharted waters — before it's too late. Watch the full TED Talk here: http://t.ted.com/5FgelBk | TED