James Delahoussaye

A fusion reactor promises almost limitless energy—if we can build it. Physicist Tammy Ma explains how her team achieved fusion ignition, a crucial milestone powered by the world's largest laser.

Reggie Watts is at his best on stage, making up songs and jokes on-the-spot. He says an improvisational spirit can turn the mundanity of daily life into an adventure.

A new surgery maintains the sensation of limb control after an amputation. When paired with a bionic leg designed by MIT's Hugh Herr, amputees can move and "feel" their limbs like never before.

Good teams see conflict as an opportunity to catch mistakes and learn from them. Social psychologist Amy Edmondson shares the secret recipe for turning a group of strangers into an effective team.

Paleontologist Ken Lacovara is founder of a new museum and fossil park in New Jersey where visitors can see how dinosaurs lived 66 million years ago before an asteroid wiped out 75% of life on earth.

Lab-grown meat promises a world where you can eat your favorite foods without harming animals. But, biotechnologist Isha Datar says you may not be able to replace the meat on your plate anytime soon.

Imagine a world without access to wheat, grapes, salmon, chocolate, coffee, and more. Chef Sam Kass says that's the future we're handing our children unless we change how we grow and buy food.

For much of the 20th century, Americans have seen their wealth grow. But with mounting debt and unaffordable housing, Scott Galloway says that is no longer the reality for many Gen Zers.

New terms — like LatinX — are often pushed by activists to promote a more equitable world. But linguist John McWhorter says trying to enforce new words to speed up social change tends to backfire.

We now use AI in more and more areas of our lives. But with its high emissions, should we resist this new tech? AI researcher Sasha Luccioni is working for a greener, more transparent future for AI.