Search Results for: Bacteria

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5,518 results
  1. Animals

    Gut microbes help some squirrels stay strong during hibernation

    Microbes living in the critters’ guts take nitrogen from urea and put it into the amino acid glutamine, helping squirrels retain muscle in the winter.

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  2. Health & Medicine

    Antimicrobial resistance is a leading cause of death globally

    In more than 70 percent of the 1.27 million deaths caused by antimicrobial resistance, infections didn’t respond to two classes of first-line antibiotics.

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  3. Microbes

    Are viruses alive, not alive or something in between? And why does it matter?

    The way we talk about viruses can shift scientific research and our understanding of evolution.

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  4. Planetary Science

    A new look at the ‘mineral kingdom’ may transform how we search for life

    A new census of Earth’s crystal past hints that life may have begun earlier than expected, and could be a tool to look for water and life elsewhere.

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  5. Animals

    50 years ago, scientists were genetically modifying mosquitoes

    In 1971, scientists turned to genetics to control disease-spreading mosquitoes without DDT. Today, there are a variety of pesticide-free methods.

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  6. Archaeology

    Ancient bacterial DNA hints Europe’s Black Death started in Central Asia

    Archaeological and genetic data pin the origins of Europe’s 1346–1353 bubonic plague to a bacterial strain found in graves in Asia from the 1330s.

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  7. Debate over Pluto’s planet status still carries on

    Managing editor Erin Wayman discusses the challenges of classification in science, from Pluto's planet status to the definition of life.

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  8. Life

    Probiotics help lab corals survive deadly heat stress

    In a lab experiment, probiotics prevented the death of corals under heat stress, suggesting beneficial microbes could help save ailing reefs.

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  9. Neuroscience

    COVID-19 gave new urgency to the science of restoring smell

    With newfound pressure from the pandemic, olfactory training and a host of other newer treatments are now getting a lot more attention.

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  10. Humans

    Ancient human bones reveal the oldest known strain of the plague

    The earliest known plague strain emerged about 7,100 years ago and was less contagious as the one behind Black Death — but was still deadly.

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  11. Health & Medicine

    ‘Vagina Obscura’ shows how little is known about female biology

    The new book ‘Vagina Obscura’ chronicles how scientists are finally giving female health and anatomy proper attention.

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  12. Animals

    Some bacteria are suffocating sea stars, turning the animals to goo

    For years, researchers thought an infectious pathogen was behind sea star wasting disease. Instead, bacteria deplete the starfishes’ oxygen.

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