Davidson, Keay

A biography of twentieth-century scientist Carl Sagan, drawing on interviews with family members, friends, colleagues, admirers, and detractors, as well as an archive of unpublished writings and personal papers to provide information about the scientist's private and public life.

Presents scientific information about tornados, discussing the people who study them, looking at a leading tornado-monitoring project, and featuring stories from people who have survived encounters with the powerful storms, and includes a behind-the-scenes look at the making of the film "Twister.".