Most Viewed From BBC Horizon

Lost at Sea: The Search for Longitude

1998 Movies

How Many People Can Live On Planet Earth

2009 Movies

Secrets of the Solar System

2015 Movies

Defeating the Hackers

2013 Movies

The Battle to Beat Malaria

2024 Movies

Eat, Fast and Live Longer

2012 Movies

Horizon: How Does Your Memory Work?

2008 Movies

Surviving a Car Crash

2011 Movies

Oceans of the Solar System

2016 Movies

The Weirdest Weather in the Universe

2016 Movies

The Age of Big Data

2013 Movies

Fukushima: Is Nuclear Power Safe?

2011 Movies

Who's Afraid of a Big Black Hole?

2009 Movies

Should I Eat Meat? The Big Health Dilemma

2014 Movies

Why Are Thin People Not Fat?

2009 Movies

Allergy Planet

2008 Movies