All Stories
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TechCool Jobs: The science of secrets
Researchers harness science to encode — and decode — hidden messages.
By Susan Gaidos -
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EnvironmentExhaled air: A problem in buildings?
New studies suggest carbon dioxide that accumulates in classrooms could limit how well the brain processes information, lead to more student absences.
By Janet Raloff -
Health & MedicineOf fish and brain health
Moms-to-be who eat a diet rich in the right fish may pass along benefits to their children
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Pathways to research: Young scientists tackle abstract problems
Students’ independent, theoretical investigations produce real-world results
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ChemistryHarder than diamonds?
Researchers create new material that may be world’s hardest.
By Sid Perkins -
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BrainThe teenage brain
Adolescence triggers brain — and behavioral — changes that few kids or adults understand.
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EarthEarth’s big breakup
Powerful motions beneath the Indian Ocean unleashed a series of earthquakes near Sumatra.