A Scenario", talks with NBC News' Gadi Schwartz about the possibility of biological warfare and the real-world risks explored in her book.
NBC News on MSN
Once-in-a-lifetime total solar eclipse sweeps across Europe
The moon passed directly in front of the sun Wednesday, briefly turning day into twilight as crowds from Iceland to Spain ...
The first glimpse of the solar eclipse was seen over Iceland, although the cloudy weather obscured the view for those on the ground. NBC News’ Gadi Schwartz speaks with science educator Sævar Helgi ...
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