we have paul cantelon, angela mccluskey, and john sneider. [applause] ♪ i see trees of green ♪ red roses, too ♪ i see them bloom ♪ for me and you ♪ and i think to myself ♪ what a wonderful world [applause] we have learned so much this evening. i hope you all feel the same way i do, and i demand that you share what you learned here with others. that is what this is all about. i want to thank everybody who made tonight possible. i want to thank ted, public television, our crew, our performers, and all of our speakers, and especially all of you. thank you for being part of "ted talks live: science and wonder," and good night. [applause] ♪ i see friends shaking hands ♪ ♪ saying "how do you do?" ♪ they're really saying ♪ "i love you" ♪ i hear babies cry ♪ i watch them grow ♪ they'll learn much more ♪ than i'll ever know announcer: to learn more about this program and for links to more ted talks, visit pbs/org/tedtalks. annoustarting withlks: sccall the midwife... vo: sundays are made for drama -- photographer: do you mind if i take your picture? p