A teacher, psychologist, crisis-line supervisor and others share their suggestions for what you can do.

TED curator Chris Anderson discusses the transformative power of speaking to an audience from the heart.

Want to help prevent online bullying? Comment on Facebook | ideas.ted.com

When TED posted the talk by Monica Lewinsky, the haters came out in force. TED’s social media editor, Nadia Goodman, describes what happened — and how she and her team countered the vitriol, one comment at a time.