Why Is There Air? - DNews

Now watching

Next video starts in : 7 Play

Why Is There Air? - DNews

Why Is There Air? - DNews
Replay video
Up next

Future of the Patriot Act explained

Unlock your personal NFL Now stream by signing in to NFL.com

Why Is There Air? - DNews

by DNews 4:20 mins

Why Is There Air? - DNews

by DNews 4:20 mins

Every day, we inhale and exhale the air around us. How did Earth's atmosphere form? Join Trace as he explains the long evolution of our atmosphere, and why we are able to breathe today!

Must Watch

Must Watch

  1. 2:33

    Future of the Patriot Act explained

  2. 7:00

    Bob Schieffer retires Sunday after 46 years at CBS News

  3. 1:52

    Is This the Most Excited ‘Price Is Right’ Contestant Ever? Find Out on ‘This Week in Game Shows’

  4. Perpetual Groove - Perpetual Groove LIVE Concert

  5. 26:11

    Community Episode 12: Wedding Videography

  6. 3:59

    Kelly Clarkson - Invincible

Community

  1. 27:26

    Community Episode 1: Ladders

  2. 27:26

    Community Episode 2: Lawnmower Maintenance and Postnatal Care

  3. 24:40

    Community Episode 3: Basic Crisis Room Decorum

  4. 30:58

    Community Episode 4: Queer Studies and Advanced Waxing

  5. 28:45

    Community Episode 5: Laws of Robotics and Party Rights

  6. 28:13

    Community Episode 6: Basic Email Security

Other Space

  1. 27:05

    Other Space Episode 1: Into the Great Beyond...Beyond

  2. 25:20

    Other Space Episode 2: Getting to Know You

  3. 25:51

    Other Space Episode 3: The Death of A.R.T.

  4. 25:46

    Other Space Episode 4: Ted Talks

  5. 26:44

    Other Space Episode 5: Trouble's Brewing

  6. 27:02

    Other Space Episode 6: Powerless

Other Space

  1. 27:05

    Other Space Episode 1: Into the Great Beyond...Beyond

  2. 25:20

    Other Space Episode 2: Getting to Know You

  3. 25:51

    Other Space Episode 3: The Death of A.R.T.

  4. 25:46

    Other Space Episode 4: Ted Talks

  5. 26:44

    Other Space Episode 5: Trouble's Brewing

  6. 27:02

    Other Space Episode 6: Powerless