How to take a picture of a black hole | Katie Bouman
At the heart of the Milky Way, there's a supermassive black hole that feeds off a spinning disk of hot gas, sucking up anything that ventures too close -- even light. We can't see it, but its event ho...
24 Okt 201713min
How racism makes us sick | David R. Williams
Why does race matter so profoundly for health? David R. Williams developed a scale to measure the impact of discrimination on well-being, going beyond traditional measures like income and education to...
24 Okt 201717min
3 ways to plan for the (very) long term | Ari Wallach
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 th...
24 Okt 201713min
How do you build a sacred space? | Siamak Hariri
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, l...
24 Okt 201712min
How radio telescopes show us unseen galaxies | Natasha Hurley-Walker
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-Wal...
24 Okt 201715min
A video game to cope with grief | Amy Green
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 ...
24 Okt 201710min
How I learned to read -- and trade stocks -- in prison | Curtis "Wall Street" Carroll
Financial literacy isn't a skill -- it's a lifestyle. Take it from Curtis "Wall Street" Carroll. As an incarcerated individual, Carroll knows the power of a dollar. While in prison, he taught himself ...
24 Okt 201711min
How fake news does real harm | Stephanie Busari
On April 14, 2014, the terrorist organization Boko Haram kidnapped more than 200 schoolgirls from the town of Chibok, Nigeria. Around the world, the crime became epitomized by the slogan #BringBackOur...
24 Okt 20176min
