Uncategorized
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Chimps lead way to HIV birthplace
A viral analysis confirms that the global AIDS epidemic originated in chimpanzees living in southeastern Cameroon.
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Zits in tubeworms: Part of growing up
Young tubeworms pick up the live-in bacteria they need for nutrition in a rite of passage that starts with a skin infection.
- Earth
Deep-sea action
Scientists using remotely operated vehicles have reported the first close-up observations of a deep undersea volcano during its eruption.
- Chemistry
Gritty Clues
Archaeologists are tying chemical signatures found in the soil to past human activity.
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19689
Math isn’t the only science that makes it into The Simpsons. In one episode a few years ago, a meteorite landed near Bart. He picked it up and put it in his pocket. Although most people are under the impression that meteorites are extremely hot, they’re not. Bart got it right! K.A. BoriskinBellingham, Mass. ? […]
- Math
Springfield Theory
Over many years, the popular animated TV series The Simpsons has included numerous references to mathematics on the show.
- Math
Fibonacci’s Missing Flowers
The number of petals that a flower has isn't always a Fibonacci number. For more math, visit the MathTrek blog.
- Humans
The Influenza Epidemic of 1918
This eye-opening Web site from the National Archives and Records Administration features photos and documents related to the influenza epidemic of 1918, which killed more people than died in World War I. Go to: http://www.archives.gov/exhibits/influenza-epidemic/
- Humans
From the May 30, 1936, issue
A shaking mountain, a warm blood factory, and signaling with invisible heat rays.
- Physics
String Trio: Novel instrument strums like guitar, rings like bell
A new type of musical instrument, equipped with Y-shaped strings, may be the first of a family of string instruments with unusual overtones typically heard in bells or gongs.
- Archaeology
Stones of Contention: Tiny Homo species tied to ancient tool tradition
Controversial new discoveries suggest that our half-size evolutionary cousins who lived on the Indonesian island of Flores as recently as 12,000 years ago carried on a stone-toolmaking tradition passed down from the island's original colonizers more than 700,000 years ago.
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19687
Are the dates quoted in this article correct? I didn’t think Homo existed as a genus 840,000 years ago. David AdamsBoothwyn, Pa. Fossil finds indicate that the Homo genus originated roughly 2.4 million years ago .—B. Bower
