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13:18

Stephen Webb

Where are all the aliens?

Posted Jul 2018 Rated Fascinating, Informative
21:30

Gwynne Shotwell and Chris Anderson

SpaceX's plan to fly you across the globe in 30 minutes

Posted Apr 2018 Rated Inspiring, Fascinating
13:42

Dave Brain

What a planet needs to sustain life

Posted Aug 2016 Rated Informative, Fascinating
10:58

Allan Adams

What the discovery of gravitational waves means

Posted Feb 2016 Rated Fascinating, Informative
15:38

Wendy Freedman

This telescope might show us the beginning of the universe

Posted Aug 2015 Rated Informative, Fascinating
11:48

Alex Wissner-Gross

A new equation for intelligence

Posted Feb 2014 Rated Fascinating, Informative
8:47

John Lloyd

An animated tour of the invisible

Posted Sep 2012 Rated Funny, Fascinating
7:53

Jon Nguyen

Tour the solar system from home

Posted Jun 2012 Rated Fascinating, Informative
18:40

Seth Shostak

ET is (probably) out there — get ready

Posted Jun 2012 Rated Inspiring, Informative
10:08

Karen Bass

Unseen footage, untamed nature

Posted May 2012 Rated Beautiful, Fascinating
21:47

Brian Greene

Is our universe the only universe?

Posted Apr 2012 Rated Fascinating, Informative
12:07

Chris Anderson

Questions no one knows the answers to

Posted Mar 2012 Rated Fascinating, Inspiring
15:54

Sean M Carroll

Distant time and the hint of a multiverse

Posted May 2011 Rated Fascinating, Informative
17:40

David Christian

The history of our world in 18 minutes

Posted Apr 2011 Rated Fascinating, Informative
16:38

David Deutsch

A new way to explain explanation

Posted Oct 2009 Rated Persuasive, Informative
17:26

Martin Rees

Is this our final century?

Posted Jan 2007 Rated Fascinating, Informative
19:00

David Deutsch

Chemical scum that dream of distant quasars

Posted Sep 2006 Rated Persuasive, Fascinating
21:56

Richard Dawkins

Why the universe seems so strange

Posted Sep 2006 Rated Fascinating, Inspiring
Showing all 18 results