TED Talks Daily

Physician David Casarett was tired of hearing hype and half-truths around medical marijuana, so he put on his skeptic's hat and investigated on his own. He comes back with a fascinating report on what we know and what we don't -- and what mainstream medicine could learn from the modern medical marijuana dispensary.

When Amy Green's young son was diagnosed with a rare brain tumor, she made up a bedtime story for his siblings to teach them about cancer. What resulted was a video game, "That Dragon, Cancer," which takes players on a journey they can't win. In this beautiful talk about coping with loss, Green brings joy and play to tragedy. "We made a game that's hard to play," she says, "because the hardest moments of our lives change us more than any goal we could ever accomplish."

Our universe is strange, wonderful and vast, says astronomer Natasha Hurley-Walker. A spaceship can't carry you into its depths (yet) -- but a radio telescope can. In this mesmerizing talk, Hurley-Walker shows how she probes the mysteries of the universe using special technology that reveals light spectrums we can't see.

To design the Bahá'í Temple of South America, architect Siamak Hariri focused on illumination -- from the temple's form, which captures the movement of the sun throughout the day, to the iridescent, luminous stone and glass used to construct it. Join Hariri for a journey through the creative process, as he explores what makes for a sacred experience in a secular world.

We teach girls that they can have ambition, but not too much ... to be successful, but not too successful, or they'll threaten men, says author Chimamanda Ngozi Adichie. In this classic talk that started a worldwide conversation about feminism, Adichie asks that we begin to dream about and plan for a different, fairer world -- of happier men and women who are truer to themselves.

TED Fellow Zubaida Bai works with medical professionals, midwives and mothers to bring dignity and low-cost interventions to women's health care. In this quick, inspiring talk, she presents her clean birth kit in a purse, which contains everything a new mother needs for a hygienic birth and a healthy delivery -- no matter where in the world (or how far from a medical clinic) she might be.

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If Yoda goes into cardiac arrest, will you know what to do? Artist and first-aid enthusiast Todd Scott breaks down what you need to know about using an automated external defibrillator, or AED -- in this galaxy and ones that are far, far away. Prepare to save the life of a Jedi, Chewbacca (he'll need a quick shave first) or someone else in need with some helpful pointers.

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Conflict is bad; compromise, consensus and collaboration are good -- or so we're told. Lawyer and bioethicist Jonathan Marks challenges this conventional wisdom, showing how governments can jeopardize public health, human rights and the environment when they partner with industry. An important, timely reminder that common good and common ground are not the same thing.

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We increasingly make decisions based on short-term goals and gains -- an approach that makes the future more uncertain and less safe. How can we learn to think about and plan for a better future in the long term ... like, grandchildren-scale long term? Ari Wallach shares three tactics for thinking beyond the immediate.

Giorgia Lupi uses data to tell human stories, adding nuance to numbers. In this charming talk, she shares how we can bring personality to data, visualizing even the mundane details of our daily lives and transforming the abstract and uncountable into something that can be seen, felt and directly reconnected to our lives.

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