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For generations, Indigenous people have used slow but sophisticated technology to build elaborate structures. Architect Julia Watson says their designs can guide our response to the climate crisis.

Architect Michael Murphy believes that buildings can offer far more than shelter. Considering factors both material and human, he explains how thoughtful design can make us healthier and happier.

Deep fakes are taking over the Internet—distorting our perception of what's real. Law professor Danielle Citron explains how deception online not only harms people, but also our democracy.

Much of our ancestral histories can be found in our bones. Archaeologist Carolyn Freiwald traces the story of human migration through the hidden clues in our bones and our teeth.

The New Oxford American Dictionary's 2009 Word of the Year can trace its origins back to the 17th century. The word: "unfriend." Christine Lindberg, senior lexicographer at Oxford University Press, says the Oxford English Dictionary provides a citation for "unfriend" from 1659.

Poachers can make a lot of money killing whales. But what if a living whale fetched a bigger price? Ralph Chami uses the language of dollars and cents to conserve nature and fight climate change.

In 2002, freediver Tanya Streeter completed a record-breaking dive of 525 feet—in one breath. She reflects on the obstacles she faced, and the experience of pushing her body and lungs to the limit.

Professor Saad Bhamla believes all science puzzles are important, even silly ones. His research into the glass-winged sharpshooter's "butt flicker" led to a discovery about the physics of insect pee.

For 185 years, science has assumed there was only one species of king cobra. Herpetologist Gowri Shankar shares his near-death experience that led to a groundbreaking discovery for the snake world.

Cardiologist Sandeep Jauhar explains a case where deep grief caused takotsubo cardiomyopathy—also called "broken heart syndrome." He examines the connection emotions have with our most vital organ.