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 […]

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Boiling down viscous flow

A new simplified model predicts patterns that form from honey-like fluids. Drizzling honey on toast can produce mesmerizing, meandering patterns, as the syrupy fluid ripples and coils in a sticky, […]

Beauty

Penn study sees changing faces of beauty

Beauty, it has been said, is in the eye of the beholder. People’s opinions on what constitutes an attractive face changes over time and from place to place. A new […]

Tau Ceti- The next Earth? Probably not

Tau Ceti: The next Earth? Probably not

As the search continues for Earth-size planets orbiting at just the right distance from their star, a region termed the habitable zone, the number of potentially life-supporting planets grows. In […]

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New class of 3D-printed aerogels improve energy storage

A new type of graphene aerogel will make for better energy storage, sensors, nanoelectronics, catalysis and separations. Lawrence Livermore National Laboratory researchers have made graphene aerogel microlattices with an engineered […]

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Sugary drinks boost risk factors for heart disease

Beverages sweetened with low, medium and high amounts of high-fructose corn syrup significantly increase risk factors for cardiovascular disease, even when consumed for just two weeks by young, healthy men […]