On this week's show, TED speakers share ideas on the transformative nature of art and its ability to shape the way we see ourselves and the world around us.
Western art contains countless paintings and sculptures that reveal a painful history of racism. We can't erase that history, but artist Titus Kaphar has begun the long and hard work of amending it.
Artists Dre Urhahn and Jeroen Koolhaas strive to change perceptions of "bad neighborhoods" by arming locals with paintbrushes and a vision: to turn their neighborhoods into open-air art gallery
Using Arabic calligraphy, eL Seed paints messages of hope on the sides of buildings. He says the beauty of Arabic script - even if you can't read it - can change negative perceptions of Arab culture.
From door handles to double-decker buses, Magda Sayeg "yarn bombs" inanimate objects by wrapping them in handmade knitting. She wants her bright, fuzzy artwork to make the world a little friendlier.
Years of conducting a world-famous orchestra have shown Benjamin Zander the power of classical music. He says music speaks to our emotions -- and has the ability to reach everybody.