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Virus Caught in the Act of Infecting a Cell

By Guest PostJanuary 12, 2013Health, Scienceaustin, bacterium, bo hu, cryo electron tomography, ct scan, e coli, experimental evidence, feelers, fibers, genetic, genetic material, head, human hair, ian molineux, image, infect, infect a cell, infected cell membrane, infection, infection process, jun liu, protein, protein path, robot like process, structure, t7, texas, thickness, university, ut health, viral dna, virus, visualize, william margolin

About the video: watch an animation showing the changes in the structure of a T7 virus as it infects an E. coli bacterium.

AUSTIN, Texas — The detailed changes in the structure of a virus as it infects an E. coli bacterium have been observed for the first time, report researchers from The University of Texas at Austin and The University of Texas Health Science Center at Houston (UT Health) Medical School this week in Science Express. (more…)

Violent Video Games: More Playing Time Equals More Aggression

By Guest PostDecember 20, 2012General, Healthaggression, aggressive behavior, brad bushman, brightness, call of duty, competitive reaction, computer screen, condemned 2, dirt2, experimental evidence, france, french university students, Germany, grenoble, laurent begue, measure aggression, michael scharkow, negative effects, nonviolent video game, over time, playing, pure, s3k superbike, the club, time task, university of hohenheim, violent video games, visual perception, youssef hasan

COLUMBUS, Ohio – A new study provides the first experimental evidence that the negative effects of playing violent video games can accumulate over time.

Researchers found that people who played a violent video game for three consecutive days showed increases in aggressive behavior and hostile expectations each day they played. Meanwhile, those who played nonviolent games showed no meaningful changes in aggression or hostile expectations over that period. (more…)

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Virus Caught in the Act of Infecting a Cell

Violent Video Games: More Playing Time Equals More Aggression