TED Radio Hour

An ear made from an apple, a spinal cord rebuilt using asparagus...it sounds like bizarre science fiction. But Andrew Pelling is working on a way to revive human tissue with a trip to the supermarket.

In some of the world's biggest economies, people are having fewer children. But writer Wajahat Ali explains why investing in future generations is key to rejuvenating our societies...and our humanity.

Back in 2015, Chicago's Englewood neighborhood was lined with blocks of houses tagged for demolition. Before they were torn down, artist Amanda Williams used color to bring them back to life.

Many of us are feeling weary and exhausted all the time. Psychologist Guy Winch shares ways we can both prevent and recover from the all-too-common experience of burnout.

Science fiction author Charlie Jane Anders explains how the genre is a portal for us to imagine different ways of being human. She invites listeners into one new world with an excerpt from her work.

Many psychedelic drugs are illegal in the U.S. But Rick Doblin says psychedelic-assisted therapy helps many patients get to the core of their trauma.

Many people think of Antarctica as desolate. But wildlife filmmaker Ariel Waldman says the coldest continent is brimming with invisible life — that can only be seen through microscopes.

Astronomers once gazed at the night sky and charted the stars using their naked eyes. Astrophysicist Emily Levesque describes how generations of telescopes have unlocked the wonders of the universe.

We associate menopause with the ovaries, but its symptoms start in the brain. Neuroscientist Lisa Mosconi explains how brain health during menopause affects the rest of the body.

Adults don't generate as many new neurons as children or teenagers, but some growth is still happening. Neuroscientist Sandrine Thuret explains how we can encourage the production of more nerve cells.