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4:19
Jedidah Isler
How I fell in love with quasars, blazars and our incredible universe
5:50
Lucianne Walkowicz
Let's not use Mars as a backup planet
5:25
Aomawa Shields
How we'll find life on other planets
15:38
Wendy Freedman
This telescope might show us the beginning of the universe
19:14
Naomi Oreskes
Why we should trust scientists
8:01
Will Marshall
Tiny satellites show us the Earth as it changes in near-real-time
6:38
Jeremy Kasdin
The flower-shaped starshade that might help us detect Earth-like planets
17:39
Andrew Connolly
What's the next window into our universe?
4:42
Allan Adams
The discovery that could rewrite physics
3:50
Dennis Wildfogel
What is the universe made of?
6:43
Henry Lin
What we can learn from galaxies far, far away
2:44
Dr. Matt J. Carlson
Free falling in outer space
10:03
Jason Pontin
Can technology solve our big problems?
16:48
Juan Enriquez
Will our kids be a different species?
18:40
Seth Shostak
ET is (probably) out there -- get ready
21:47
Brian Greene
Is our universe the only universe?
7:53
Jon Nguyen
Tour the solar system from home
14:16
Phil Plait
How to defend Earth from asteroids
9:41
Michelle Borkin
Can astronomers help doctors?
11:16
Honor Harger
A history of the universe in sound
15:54
Sean Carroll
Distant time and the hint of a multiverse
18:30
Dimitar Sasselov
How we found hundreds of potential Earth-like planets
6:57
Carter Emmart
A 3D atlas of the universe
9:25
Tom Wujec
Learn to use the 13th-century astrolabe
15:52
Garik Israelian
How spectroscopy could reveal alien life
16:26
Andrea Ghez
The hunt for a supermassive black hole
13:21
Tom Shannon, John Hockenberry
The painter and the pendulum
3:29
Carolyn Porco
Could a Saturn moon harbor life?
3:29
Brian Cox
What went wrong at the LHC
19:00
George Smoot
The design of the universe
6:42
Roy Gould + Curtis Wong
A preview of the WorldWide Telescope
16:09
Patricia Burchat
Shedding light on dark matter
17:26
Martin Rees
Is this our final century?
21:56
Richard Dawkins
Why the universe seems so strange
18:03
Charles Fleischer
All things are Moleeds
19:11
Freeman Dyson
Let's look for life in the outer solar system
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