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An increase in premature births means that more babies are at risk of neurological damage. Erika Check Hayden talks with researchers who are developing ways to help these children.
Richard Besser led the United States' top public-health agency as swine flu broke out on its doorstep. And his communication shaped the early days of a pandemic, finds Brendan Maher.
An annual excursion to an exclusive Caribbean island has yielded an impressive body of ecological fieldwork. Just don't call it a holiday, says Mark Schrope.