What Does Lead Do to the Brain?

Extras

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  What Caused Baltimore’s Key Bridge to Collapse?

  Engineers explain how a vulnerability made the bridge open to catastrophe.

  2:57
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  This Pompeii Priest Had an Unexpected Rise to Power

  In a recently discovered tomb in Pompeii, archeologists made a startling discovery.

  2:58
• 

  A Brutal Gladiator Fight in Ancient Pompeii

  At a gladiator match in ancient Pompeii, tensions exploded and spectators became fighters in a riot.

  2:37
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  This Asteroid Might Make Impact With Earth in 2032

  An asteroid is on a collision course with Earth, possibly making impact in 2032.

  3:33
• 

  Opening a Sealed Egyptian Tomb

  Archaeologists remove the mud brick seal of an unopened Egyptian tomb.

  2:38
• 

  How the Afterlife Shaped Ancient Egypt

  Discover why the ancient Egyptians invested so much in life after death.

  1:15
• 

  The God’s Wife of Amun: Powerful Women in Ancient Egypt

  Discover a time in Ancient Egypt when women held a role with extraordinary power.

  3:03
• 

  The $8 Billion Overhaul of LaGuardia Airport: Engineering a New Era

  Discover how an $8 billion transformation turned LaGuardia into a state-of-the-art facility.

  2:12
• 

  Baltimore Bridge Collapse Preview

  Follow the investigation into the deadly container ship collision that closed the Port of Baltimore.

  0:30
• 

  How Birds Evolved to Fly (feat. Slow-Mo Baby Birds)

  Slow-motion footage of baby birds helps scientists uncover how their ancestors took to the skies.

  2:56