Plants play greater role than megaherbivore extinctions in changes to ecosystem structure

https://ift.tt/eA8V8J Plants may have exerted greater influence on our terrestrial ecosystems than the megaherbivores that used to roam our landscapes, according to new research.

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Spikes of graphene can kill bacteria on implants

https://ift.tt/eA8V8J A tiny layer of graphene flakes becomes a deadly weapon and kills bacteria, stopping infections during procedures such as implant surgery.

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Position statement: Avoid using medical marijuana to treat sleep apnea

https://ift.tt/eA8V8J Medical cannabis and synthetic marijuana extracts should not be used for the treatment of obstructive sleep apnea, according to a position statement from the American Academy of Sleep Medicine.

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New way to fight HIV transmission

https://ift.tt/eA8V8J Scientists have developed a new tool to protect women from HIV infection.

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Artificial antimicrobial peptides could help overcome drug-resistant bacteria

https://ift.tt/eA8V8J Researchers have now developed a streamlined approach to developing artificial antimicrobial peptides. Their strategy, which relies on a computer algorithm that mimics the natural process of evolution, has yielded one potential drug candidate that successfully killed bacteria in mice.

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Surviving climate change, then and now

https://ift.tt/eA8V8J An archeological dig in Italy reveals that prehistoric humans made it through a major natural disaster by cooperating with each other -- and that's a lesson for our future.

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Predicting which trees are at greatest risk of beetle invasion

https://ift.tt/eA8V8J This study shows that the composition of forests is more important than other factors when predicting where the destructive pest will strike next.

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