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Science

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Much Ado About Chicxulub

Citizens of Mexico City wear masks to prevent the spread of swine flu.

Dreading the Worst When it Comes to Epidemics

A scientist by training, author Philip Alcabes studies the etymology of epidemiology and the cultural fears of worldwide disease

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No Time for Protohadros

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97 Ideas for Earth Day

Carlos Jaramillo (top row, third from the right), a staff scientist at the Smithsonian Tropical Research Institute, co-organized the team that discovered the largest snake in world history.

Discovering the Titanoboa

As part of a multi-organizational team, Smithsonian scientist Carlos Jaramillo uncovered the fossils of a gigantic snake

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