Which TED Talks were watched most in 2019? These talks reflect a year defined by fighting for what's right, believing in the good despite all the bad, supporting others and yourself -- and hoping for the best in the decade to come.

Rahwa Ghirmatzion is executive director of People United for Sustainable Housing, a membership-based community organization committed to social and climate justice.

On a gorgeous San Francisco night, the TEDWomen community gathered to kick off our 2016 conference, “It’s About Time,” with an evening of global food, music and connection around ideas. On the terrace of the City View at Metreon, overlooking Yerba Buena Gardens, a dozen artisan groups have gathered from around the world to show off gorgeous wa...

Ten years ago, epidemiologist Chikwe Ihekweazu helped fight an outbreak in South Sudan. This TED Fellow now runs the health consultancy EpiAFRIC, writes about public health issues in his native Nigeria, and is soon to start a four-week rotation on the ground fighting the Ebola epidemic. So as the outbreak continues, he sat down for a Q&A...

About this event: TEDxKhartoumSalon V.2 is around Creating communities & Networking through TEDx . 15 passionate TEDxers were gathered at Mujjadidon training center and enjoyed the 2 hours together. We'd a discussion around the TEDx Summit, future of TEDx in Sudan and passing the torch to another organizers.

This weekend, thousands gathered in Washington, DC, to help lay one million handmade representations of human bones -- 1,018,260 bones, to be exact -- on the National Mall. This breathtaking installation created a haunting river of bones leading to the US Capitol, and represents the culmination of a nearly five-year social activism project imagi...

About this event: Pictures of the event can be found on Facebook page http://www.facebook.com/TEDxKhartoum An article on TEDxKhartoum in the Sudan Vision newspaper (English). http://www.sudanvisiondaily.com/modules.php?name=News&file=article&sid=73769 TEDx Africa Organizers Interview: Anwar Dafa-Alla of TEDxKhartoum http://tedx.tumblr.com/post/58...

Afflicting nearly 1 in 10 Americans, syphilis was ravaging the U.S. in the 1930s. Many doctors believed syphilis affected Black and white patients differently, and the Public Health Service launched an experiment to investigate, recruiting 600 Black men to take part. But the study was centered on a lie: the men wouldn't actually receive treatmen...

Philippa Neave is senior advisor on the UN's Lexicon of Electoral Terminology.

Savage-Rumbaugh's work with bonobo apes, which can understand spoken language and learn tasks by watching, forces the audience to rethink how much of what a species can do is determined by biology -- and how much by cultural exposure.

In the image above, one million handmade bones -- made by schoolchildren and artists around the world -- have been methodically laid across the National Mall in Washington, DC, from the US Capitol building all the way to the Washington Monument. The culmination of a five-year project from TED Fellow Naomi Natale (read our interview with her abou...

Luma Mufleh does something revolutionary: she coaches soccer. A Jordanian immigrant and Muslim of Syrian descent, Mufleh is determined to empower refugee children everywhere.

Susan Colantuono is the CEO and founder of Leading Women.

Susan Graham works to restore biodiversity to Earth's natural ecosystems.

Fear, boredom, grief, confusion—we're all feeling ... a lot right now. How do we cope with our heightened emotions during this global pandemic? Susan David—a psychologist at Harvard Medical School—is here to offer us strategies. This show is an urgent response to an urgent moment—a support system, toolkit, and understanding voice during a time o...

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About this event: In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to spark deep discussion and connection in a small group. These local, self-organized events are branded TEDx, where x = independently organ...

About this event: This year TEDxUniversityofKhartoum theme is a stage where the spotlight will be on the obscured parts of stories, on those in the backstage whom we don’t usually see their point of view and on the details that make all the difference, but however, remain unnoticed. So whether they were living human beings, solid objects or unexpected virtues, we...

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About this event: University events are usually characterized by being specific to a certain field, which means that it's audience are limited to that field; thus most of the time people will only have knowledge about the ideas related to their own field only and not others.The first TEDxUniversityofKhartoum will be considered a New Chapter concerning the way ide...

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At TED, speakers aren't the only celebrities; some of the biggest heroes sit in the audience. Case in point: Our volunteer TED Translators, who donate their free time to translate TED Talks into their local languages, making the talks accessible to millions of people every day. Ahead of TEDGlobal 2017 in Tanzania, we invited these translator...

From the Atlantic, this fascinating essay on Google Translate at an interesting point in its growth: Last week Google Translate announced that it now has more than 200 million monthly users. As Alexis Madrigal noted, this means that Google is now translating as much in a day as all professional human translators combined complete in a year --...

Susan Blackmore studies memes -- those self-replicating "life forms" that spread themselves via human consciousness. We're now headed, she believes, toward a new form of meme, spread by the technology we've created.

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