Engineered viruses could fight drug resistance

Biological engineers can program bacteriophages to kill different strains of E. coli by making mutations in the protein that the viruses use to bind to host cells. These engineered phages are less likely to provoke resistance in bacteria, and could help to overcome antibiotic resistance.

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Virtual reality may help foster learning and collaboration across health professions

One of the biggest challenges to implementing interprofessional education for health professions students is scheduling. Could virtual reality education help? A small new study focused on palliative care, says yes.

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Northern forests have lost crucial cold, snowy conditions

Winter conditions are changing more rapidly than any other season and researchers have found clear signs of a decline in frost days, snow covered days and other indicators of winter that could have lasting impacts on ecosystems, water supplies, the economy, tourism and human health.

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Exposure to air pollution increases violent crime rates

Breathing dirty air can make you sick. But according to new research, it can also make you more aggressive. That's the conclusion from a set of studies recently authored by Colorado State University researchers. The team found strong links between short-term exposure to air pollution and aggressive behavior, in the form of aggravated assaults and other violent crimes across the continental United States.

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Bumble bee workers sleep less while caring for young

All animals, including insects, need their sleep. Or do they? That's the question researchers are exploring in sleep studies of a surprising group of subjects: brood-tending bumble bee workers. Their studies show that worker bees tending pupae sleep much less than other bees do, even when caring for offspring that aren't their own.

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