PBS

Science Matters

January 21, 2015

Special | 26m 58s

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Saint Louis University professor Alan Zelicoff explains the origins of the 1918 Spanish flu pandemic and drastic measures St. Louis took to limit its spread. Robotic penguin cams and a remote control egg look at the lives of Emperor penguins. Trumpeter swans returned to the St. Louis area, challenging the eagles as a popular winter attraction. How modern technology is being used to irrigate crops.

Aired: 01/21/15 | Rating: NR

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