News
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PaleontologyA toothy smile
Nigersaurus boasted more than 500 teeth, arranged in rows across its mouth.
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Tadpole Slayer: Mystery epidemic imperils frogs
An emerging protozoal disease has begun to trigger mass die-offs of frog tadpoles throughout much of the United States.
By Janet Raloff -
Health & Medicine9/11 reflux
Up to 20 percent of 9/11 workers in New York City experience symptoms of gastroesophageal reflux disease, also called acid reflux.
By Brian Vastag -
TechCrystal clear
Growing nanowires directly on a crystal might lead to high-density memory chips and transparent LEDs
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MathNet advantage
When damaged, networks that seem resilient can still become inefficient to the point of being unusable.