Riddles of the Sphinx

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Recent Episodes

Vaccines: Calling the Shots

Vaccines: Calling the Shots

NOVA

Examine the science behind vaccinations, the return of preventable diseases and the risks of opting out.

60 min.

Australia's First 4 Billion Years: Strange Creatures

Australia's First 4 Billion Years: Strange Creatures

NOVA

After a massive extinction, diverse marsupials came to dominate this isolated continent.

60 min.

Australia's First 4 Billion Years: Life Explodes

Australia's First 4 Billion Years: Life Explodes

NOVA

Part 2 of 4. The move of life from ocean to land.

60 min.

Mystery of a Masterpiece

Mystery of a Masterpiece

NOVA

Examining the work of art sleuths.

1 min.

Deadliest Earthquakes

Deadliest Earthquakes

NOVA

Big quakes are inevitable, but can we prevent their devastation?

Separating Twins

Separating Twins

NOVA

The story of conjoined twins Trishna and Krishna.

60 min.

Schedule

Friday
9/19/14 5:00 AM
WGBX 44
Wednesday
9/24/14 9:00 PM
WGBH 2
Thursday
9/25/14 2:00 AM
WGBX 44
Thursday
9/25/14 5:00 AM
WGBH 2
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