Horizons

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

with William Brangham

The alarming decline of bird populations and why humans should care

Playing Next

Watch all episodes and clips

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…

Jun 19

Watch
The science of 'Dad Brain' and how fatherhood changes men

While most scientific research has focused on men, when it comes to parenthood, it's all about mothers. But new research shows that men undergo profound changes biologically and psychologically when they become fathers. Horizons moderator William Brangham explores the surprising…

Jun 12

Watch
Why communities are revolting against data centers

Artificial intelligence data centers are popping up across America, spurring fierce backlash because of their need for huge amounts of water and power. Is the AI revolution worth the price communities are paying? Horizons moderator William Brangham explores the impact…