All Stories
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Fossils
Message in a dinosaur’s teeth
Giant dino that was T. rex rival may have spent most of its time in the water.
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Health & Medicine
Making light of sleep
Teens are prone to sleep problems, but a little sunshine could help.
By Susan Gaidos -
Chemistry
Cold, colder and coldest ice
Electric charge can change the temperature at which water freezes.
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Tech
The science of disappearing
Invisibility cloaks and other new materials that play with light are in the works.
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Animals
Island of Hope
In a remote village in Fiji, nature and people are working together to save each other.
By Emily Sohn