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Special Report

A Field Guide to Bats

These winged mammals inspire fear, wonder, and even movies. How does their sonar work? And can we save species that are going extinct?

World Rabies Day Aims At Rabies Awareness

Saturday, September 8th, is World Rabies Day, to raise people's awareness about the disease--rabies still kills 55,000 people every year. Steve Mirsky reports. For more info, go to

September 7, 2007

Nipah's Return

The lethal "flying fox" virus may spread between people

September 1, 2004 — Charles Choi
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