Ecosystems: Interactions, Energy, and Dynamics

  1. Health & Medicine

    Newly discovered microbe keeps teeth healthy

    A newfound bacterium halts the tooth erosion that leads to cavities. This germ or one like it might one day be added to toothpaste or mouthwash.

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  2. Environment

    Breathing very dirty air may boost obesity risk

    Breathing dirty Beijing air made rats heavier and less healthy than rats breathing clean air. Scientists now worry such polluted air may do the same thing to people.

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  3. Microbes

    Microbes mine treasure from waste

    Like miniature factories, bioreactors house microbes recruited to chew through wastes to clean dirty water, make chemicals or generate electricity.

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  4. Animals

    Spiders eat insects — and sometimes veggies

    Plant-eating spiders have been found on every continent except Antarctica, a new study notes.

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  5. Health & Medicine

    Scientists link Zika to nerve disease

    The Zika virus is spreading in the Americas. There has also been an uptick in cases of Guillain-Barré syndrome. Scientists think the two are linked.

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  6. Animals

    Parasites give brine shrimp super powers

    When infected with parasitic worms, brine shrimp survive better in waters laced with toxic arsenic, a new study finds.

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  7. Tech

    Ouchless measles vaccine could save lives

    A new ‘ouchless’ vaccine patch that uses dissolving microneedles could make efforts to vaccinate against measles more practical.

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  8. Plants

    Before eating, Venus flytraps must ‘count’

    Researchers find that Venus flytraps respond to the number of times insects touch their sensory hairs. This tells them when it’s time to turn on digestion.

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  9. Health & Medicine

    Zika virus raises alarm as it spreads in the Americas

    Zika virus has been in Africa and Asia for decades. But is has now spread to the Americas. And it may cause a devastating birth defect.

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  10. Health & Medicine

    The truth about zits

    A common bacterium called P. acnes usually helps keep the skin healthy. But under some conditions, and especially during puberty, it can trigger painful, embarrassing outbreaks of unsightly pimples.

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  11. Health & Medicine

    Behavior of genes could identify type of infection

    The behavior of hundreds of genes can identify a viral infection, a new study finds. That could help doctors determine treatment for a sick patient.

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  12. Plants

    Banana threat: Attack of the clones

    Researchers find that disease-causing fungi — all clones of one another — will continue to infect banana plants unless new steps are taken to stop their spread.

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