Planet Earth doesn’t exactly have a birthday. But every year on April 22, we celebrate Earth Day — the anniversary of the moment the environmental movement went mass. According to EarthDay.org, Earth Day was founded in 1970 by U.S. Senator Gaylord Nelson, who called for a “national teach-in on the environment” after witnessing the terrible effects […]
TEDYouth 2014, in pictures November 19, 2014
How to learn a new language: 7 secrets from TED Translators November 4, 2014
100 Websites You Should Know and Use (updated!) August 3, 2007
Sign up for TED email updates
New talks released daily. Be the first to know!