In the 1900s, health officials believed that puncturing supposedly disease-infested mail and then fumigating it slowed the spread of illness
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On the Trail of the West Nile Virus
Some scientists race to develop vaccines against the scourge while others probe the possible lingering effects of the mosquito-borne infection
An international campaign to rid the world of polio has made dazzling progress. But some experts question whether the scourge can ever be eradicated
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Laura Hillenbrand beat the odds to write the hit horse-racing saga while fighting chronic fatigue syndrome, a disorder starting to reveal its secrets
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