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- Humans
From the March 24, 1934, issue
A meteorite photo, the discovery of triple-weight hydrogen (tritium), and a new mirror for movie production.
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Earth Image
Presented by the Universities Space Research Association, this Web site features a new photo, graphic, or illustration every day. Each one deals with an aspect of earth science. Captions provide information about the images and links to related Web material. The archive, dating back to September 2000, includes images of atmospheric phenomena, unusual cloud formations, […]
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It’s Time! Fetal lungs tell mom when to deliver baby
The maturing lungs of a fetus may signal the mother when it's time for labor.
