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Earth Day: Disease spread among species is predictable

On Earth Day, a study of disease dynamics in a California grassland has revealed fundamental principles underlying the spread of pathogens, or disease-causing microbes, among species. The results, announced today […]

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Pocket Sharks are Among the World’s Rarest Finds

NOAA and Tulane researchers identify second possible specimen ever found A very small and rare species of shark is swimming its way through scientific literature. But don’t worry, the chances […]

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Orphaned boys as vulnerable to abuse as girls

Orphaned children in low- and middle-income countries face a high risk of trauma, with physical and sexual abuse being by far the most prevalent traumatic events. New research shows that […]

Dead feeder cells support stem cell growth

Dead feeder cells support stem cell growth

Stem cells naturally cling to feeder cells as they grow in petri dishes. Scientists have thought for years that this attachment occurs because feeder cells serve as a support system, […]

Why Some Soldiers Develop PTSD While Others Don’t

Personal growth follows trauma for most soldiers

More than half of soldiers who experience trauma also report strong psychological benefits, such as stronger intimate relationships, spiritual growth, and a greater appreciation of life because of their difficult […]

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Study Sheds New Light on Brain’s Source of Power

New research published today in the journal Nature Communications represents a potentially fundamental shift in our understanding of how nerve cells in the brain generate the energy needed to function. The […]