Over this winter, comedian Chris Bliss delivered a TED talk about comedy and the power it has, particularly when satire is rooted in truth — whether it’s Tina Fey’s impersonation of Sarah Palin or the continued production of The Daily Show with Jon Stewart — to change perceptions and public thinking.

“A great piece of comedy is a verbal magic trick,” Bliss says. If you have a few minutes to spare, check out the full talk here: