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2:44
Dr. Matt J. Carlson
Free falling in outer space
3:58
Marjee Chmiel and Trevor Owens
Is there a center of the universe?
3:41
Brian Jones
What on Earth is spin?
3:16
Ron Shaneyfelt
Is space trying to kill us?
5:02
Rolf Landua
What happened to antimatter?
3:26
Tom Whyntie
The beginning of the universe for beginners
6:06
Erika Debenedictis
Strategies for fuel-efficient space travel
21:04
Elon Musk
The mind behind Tesla, SpaceX, SolarCity ...
10:03
Jason Pontin
Can technology solve our big problems?
12:53
Taylor Wilson
My radical plan for small nuclear fission reactors
4:59
Ariel Anbar
A needle in countless haystacks: Finding habitable worlds
7:01
Dennis Wildfogel
How big is infinity?
7:16
Jill Tarter
Calculating the odds of intelligent alien life
14:45
Jonathan Trent
Energy from floating algae pods
3:39
Adrián Paenza
How folding paper can get you to the moon
18:40
Seth Shostak
ET is (probably) out there -- get ready
5:54
Chris Anderson
Why can't we see evidence of alien life?
4:31
Chris Anderson
How many universes are there?
12:07
Chris Anderson (TED)
Questions no one knows the answers to
5:20
Sarah Parcak
Archaeology from space
21:47
Brian Greene
Is our universe the only universe?
7:53
Jon Nguyen
Tour the solar system from home
11:09
Lucianne Walkowicz
Look up for a change
7:31
Adam Savage
How simple ideas lead to scientific discoveries
14:16
Phil Plait
How to defend Earth from asteroids
9:41
Michelle Borkin
Can astronomers help doctors?
16:29
Brian Cox
Why we need the explorers
6:57
Carter Emmart
A 3D atlas of the universe
16:14
Joel Levine
Why we need to go back to Mars
16:26
Andrea Ghez
The hunt for a supermassive black hole
14:30
Steve Truglia
A leap from the edge of space
13:21
Tom Shannon, John Hockenberry
The painter and the pendulum
15:53
Jane Poynter
Life in Biosphere 2
3:29
Carolyn Porco
Could a Saturn moon harbor life?
21:23
Jill Tarter
Join the SETI search
19:00
George Smoot
The design of the universe
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