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Read articles, including Science News stories written for ages 9-14, on the
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- Infection time: Disease is more severe when it hits in the morning, at least in mice
- Explainer: Our bodies’ internal clocks: Biological clocks determine hunger, sleepiness and other daily rhythms
- Flu in the air: Germs tiny enough to pass through surgical masks may cause half of all cases
FOR KIDS: Martian devil
Giant whirlwind photographed as it snakes its way across a plain in northern Mars
Web edition: May 5, 2012
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Scientists studied the length of the shadow cast by this Martian dust devil and determined that the storm stood 12 miles high.
NASA, JPL-Caltech, UA
On March 14, a giant rose from the dust on Mars and raced across the planet’s surface. This behemoth was no alien: It was a towering pillar of twisting wind known as a dust devil. Photographed by a NASA spacecraft passing overhead, the swirling storm stood 20 kilometers (12.4 miles) tall and stretched more than half the width a U.S. football field.
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Citations
D. Powell. Tall, devilish storm skids across Mars’ surface. Science News Online, April 10, 2012. [Go to]
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