How far would you go to find something that's just out of reach, or maybe not even real? Here are some things TED speakers have set out to find. Full episode available here:
  1. 1.
    Will we find ET in the next 25 years? Seth Shostak, senior astronomer at SETI, says yes. He explains that new technologies and the laws of probability make the breakthrough likely.
  2. 2.
    Giant squids
    Humans have been looking for the giant squid for decades. Oceanographer Edith Widder shares how innovative technology helped her capture the squid on video for the first time.
  3. 3.
    The perfect fish
    Chef Dan Barber tackles a dilemma facing many chefs today: how to keep fish on the menu. He chronicles his search for a fish that would please both diners and environmentalists.
  4. 4.
    Love...and aliens
    Humorist John Hodgman tells a story about aliens, physics, time, space and the way they all contribute to a sweet, perfect memory of falling in love.