Horizons

Each week, explore science, health, and technology headlines with leading experts.

with William Brangham

The science of grief and how it can impact physical health

Playing Next

Watch all episodes and clips

Sep 18

Watch
The science of grief and how it can impact physical health

If we are lucky enough to live full lives and form meaningful relationships, chances are, we will also experience loss, and with it, grief. As common as grief is, it’s also mysterious. Horizons guest moderator Ali Rogin explores the science…

Sep 11

Watch
The lasting health toll of 9/11 on rescue workers and survivors

It’s now believed that more people have died because of the toxic exposures they got from the 9/11 sites than were killed by the terrorists on that day. Survivors, first responders and volunteers have faced everything from cancer to respiratory…

Sep 04

Watch
Technology is reshaping education. But is it helping students learn?

Putting technology into schools was sold as a revolution that would help kids learn. But as tech companies exert greater influence, many are now wondering if screen time is doing more harm than good. Horizons moderator William Brangham explores how…

Aug 28

Watch
Why America faces a primary care shortage – and why it matters

There’s a critical need for primary care physicians across America, but a shortage of doctors and rising insurance costs are forcing people to forgo preventive care altogether. Americans die of preventable, treatable diseases at far higher rates than people who…

Aug 21

Watch
Can recycling solve the world's trash problem?

Reduce, reuse, recycle. It's the mantra heard for decades, but does it work? There’s a lingering cynicism that recycling is a scam, that it doesn’t really help, and it’s more about making us feel good than doing something meaningful. Horizons…

Jul 31

Watch
The alarming decline of bird populations and why humans should care

Birds are not only wondrous creatures that live amongst us, they’re also an essential part of life on Earth – helping grow food, keeping pests at bay and spreading seeds. But more than half of migratory bird populations are declining…

Jul 24

Watch
Why uterine fibroids remain misunderstood despite affecting most women

For millions of women, uterine fibroids not only cause painful symptoms, but the diagnosis can bring more questions than answers. Even though most women will develop them, misconceptions remain about who gets them and how they should be treated. Horizons…

Jul 10

Watch
How healthcare systems are dealing with climate change

From air pollution to wildfires, from heat waves to vector-borne diseases, climate change harms our health and causes significant stress to the healthcare system. Horizons moderator William Brangham explores what can be done to protect people from a warming world…

Jul 03

Watch
The unsung heroes of American innovation and ingenuity

From the light bulb to the iPhone, American inventions have rocketed around the world thanks to their innovation and ingenuity. But some American innovators, including women and people of color, have largely been overlooked. Horizons moderator William Brangham explores why…