TED-Ed

课

• TED-Ed
  How Playing Sports Benefits Your Body

• TED-Ed
  Why Do We Feel Nostalgia?

• TED-Ed
  Why are fish fish-shaped? - Lauren Sallan

• TED-Ed
  The surprising reasons animals play dead - Tierney Thys

• TED-Ed
  What causes headaches? - Dan Kwartler

• TED-Ed
  How do brain scans work? - John Borghi and Elizabeth Waters

• TED-Ed
  The rise and fall of the Assyrian Empire - Marian H Feldman

• TED-Ed
  The rise and fall of the Assyrian Empire - Marian H Feldman

• TED-Ed
  Why can't you divide by zero? - TED-Ed

• TED-Ed
  Which is stronger: Glue or tape? - Elizabeth Cox

• TED-Ed
  How to build a dark matter detector - Jenna Saffin

• TED-Ed
  How the world's first metro system was built - Christian Wolmar

• TED-Ed
  Why does your voice change as you get older? - Shaylin A. Schundler

• TED-Ed
  Did ancient Troy really exist? - Einav Zamir Dembin

• TED-Ed
  How can you change someone's mind? (hint: facts aren't always enough) - Hugo Mer

• TED-Ed
  The breathtaking courage of Harriet Tubman - Janell Hobson

• TED-Ed
  Can you solve the secret werewolf riddle? - Dan Finkel

• TED-Ed
  How far would you have to go to escape gravity? - Rene Laufer

• TED-Ed
  Is fire a solid, a liquid, or a gas? - Elizabeth Cox

• TED-Ed
  What causes heartburn? - Rusha Modi