How risk-taking changes a teenager's brain | Kashfia Rahman
TED Talks Daily11 Apr 2019

How risk-taking changes a teenager's brain | Kashfia Rahman

Why do teenagers sometimes make outrageous, risky choices? Do they suddenly become reckless, or are they just going through a natural phase? To find out, Kashfia Rahman -- winner of the Intel International Science and Engineering Fair (and a Harvard freshman) -- designed and conducted an experiment to test how high school students respond to and get used to risk, and how it changes their still-developing brains. What she discovered about risk and decision-making could change how we think about why teens do what they do.

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Episoder(2629)

The boiling river of the Amazon | Andrés Ruzo

The boiling river of the Amazon | Andrés Ruzo

When Andrés Ruzo was a young boy in Peru, his grandfather told him a story with an odd detail: There is a river, deep in the Amazon, which boils as if a fire burns below it. Twelve years later, after ...

26 Jun 201716min

Don't feel sorry for refugees -- believe in them | Luma Mufleh

Don't feel sorry for refugees -- believe in them | Luma Mufleh

We have seen advances in every aspect of our lives -- except our humanity," says Luma Mufleh, a Jordanian immigrant and Muslim of Syrian descent who founded the first accredited school for refugees in...

23 Jun 201714min

A celebration of natural hair | Cheyenne Cochrane

A celebration of natural hair | Cheyenne Cochrane

Cheyenne Cochrane explores the role that hair texture has played in the history of being black in America -- from the heat straightening products of the post-Civil War era to the thousands of women to...

22 Jun 201714min

Why design should include everyone | Sinéad Burke

Why design should include everyone | Sinéad Burke

Sinéad Burke is acutely aware of details that are practically invisible to many of us. At 105 centimeters (or 3’ 5”) tall, the designed world -- from the height of a lock to the range of available sho...

21 Jun 201710min

The refugee crisis is a test of our character | David Miliband

The refugee crisis is a test of our character | David Miliband

Sixty-five million people were displaced from their homes by conflict and disaster in 2016. It's not just a crisis; it's a test of who we are and what we stand for, says David Miliband -- and each of ...

20 Jun 201718min

Why we need to imagine different futures | Anab Jain

Why we need to imagine different futures | Anab Jain

Anab Jain brings the future to life, creating experiences where people can touch, see and feel the potential of the world we're creating. Do we want a world where intelligent machines patrol our stree...

19 Jun 201714min

Doesn't everyone deserve a chance at a good life? | Jim Yong Kim

Doesn't everyone deserve a chance at a good life? | Jim Yong Kim

Aspirations are rising as never before across the world, thanks in large part to smartphones and the internet -- will they be met with opportunity or frustration? As President of the World Bank, Jim Y...

16 Jun 201722min

"Awoo" |  Sofi Tukker

"Awoo" | Sofi Tukker

Electro-pop duo Sofi Tukker dance it out with the TED audience in a performance of their upbeat, rhythmic song "Awoo," featuring Betta Lemme.Learn more about our flagship conference happening this Apr...

16 Jun 20173min

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