Lecture 1: Eliza Manningham-Buller on Terror

The former director-general of the Security Service (MI5), Eliza Manningham-Buller gives the first of her BBC Reith Lectures 2011 called Terror.

On the 10th anniversary of the attacks on the United States on September 11, she reflects on the lasting significance of that day.

Was it a "terrorist" crime, an act of war or something different?

Available now

55 minutes

Last on

Tue 6 Sep 2011 22:05 GMT

Inside the Mind of Professor Stephen Hawking

Inside the Mind of Professor Stephen Hawking

What's in the mind of the world’s most famous physicist?

A brief history of Stephen Hawking

A brief history of Stephen Hawking

His life, career and influences. Image: NASA

The discoveries that made Stephen Hawking famous

The discoveries that made Stephen Hawking famous

Revelations that have changed the way we see the world. Image: Alamy

Science and the Universe

Science and the Universe

Reith lecturers make sense of the world and beyond.