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  • PBS NewsHour

PBS NewsHour | Carl Zimmer on Bird Flu and Beyond | PBS

Duration: 07:36
Program: PBS NewsHour #10355
Broadcast Date: Jun. 21, 2012

Here are just a few of the fascinating facts from Carl Zimmer's book, "A Planet of Viruses": If you put all the viruses in the ocean on a scale, they would equal the weight of 75 million blue whales. And if you lined up all those viruses end to end, "they would stretch out past the nearest 60 galaxies."



Post Date: June 21, 2012