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LettersARTHUR M. SIEGELMAN/VISUALS UNLIMITED This Week's LettersMicrobes and migrationsQuestions about why anthrax infections are lethal and how populations can defend themselves against anthrax attacks are addressed (right, the anthrax bacillus). Novelist Jean Auel reacts to the suggestion that an ancient population migrated from Europe across Asia to the Bering Strait land bridge and on into the Americas. And the histories of black hole theory and of brain area terminology are discussed.
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Science. ISSN 0036-8075 (print), 1095-9203 (online)