NOVA.

NOVA

A to Z: The First Alphabet

Researchers uncover the evolution of writing and the story of the alphabet, dating back to millennia-old carvings in an Egyptian turquoise mine. (60 minutes)

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UPCOMING EPISODES

Wed, 7/24 at 8:00 pm on Austin PBS HDTV

Sunken Ship Rescue

Efforts to secure, raise and salvage the Costa Concordia cruise ship which capsized off the Italian coast on Jan. 13, 2012, killing 32 people. (60 minutes)

Thu, 7/25 at 1:00 am on Austin PBS HDTV

Sunken Ship Rescue

Efforts to secure, raise and salvage the Costa Concordia cruise ship which capsized off the Italian coast on Jan. 13, 2012, killing 32 people. (60 minutes)

Sun, 7/28 at 3:00 am on Austin PBS HDTV

Sunken Ship Rescue

Efforts to secure, raise and salvage the Costa Concordia cruise ship which capsized off the Italian coast on Jan. 13, 2012, killing 32 people. (60 minutes)

Sun, 7/28 at 5:00 pm on Austin PBS HDTV

Sunken Ship Rescue

Efforts to secure, raise and salvage the Costa Concordia cruise ship which capsized off the Italian coast on Jan. 13, 2012, killing 32 people. (60 minutes)

Tue, 7/30 at 6:00 pm on Austin PBS WORLD

Sunken Ship Rescue

Efforts to secure, raise and salvage the Costa Concordia cruise ship which capsized off the Italian coast on Jan. 13, 2012, killing 32 people. (60 minutes)

Tue, 7/30 at 11:00 pm on Austin PBS WORLD

Sunken Ship Rescue

Efforts to secure, raise and salvage the Costa Concordia cruise ship which capsized off the Italian coast on Jan. 13, 2012, killing 32 people. (60 minutes)

Wed, 7/31 at 7:00 am on Austin PBS WORLD

Sunken Ship Rescue

Efforts to secure, raise and salvage the Costa Concordia cruise ship which capsized off the Italian coast on Jan. 13, 2012, killing 32 people. (60 minutes)