Microbes
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AnimalsBacteria make ‘spider silk’ that’s stronger than steel
Part spider silk, the material is better than what some spiders make. Researchers think it might make the basis for surgical threads or unusually strong fabrics.
By Manasee Wagh -
AnimalsWhat biologists call a species is becoming more than just a name
The tree of life — evolution — has been reshaping how scientists name and classify organisms. Some want naming to reflect evolutionary groups even more.
By Jack J. Lee -
AnimalsTiny animals survive 24,000 years in suspended animation
Tiny bdelloid rotifers awake from a 24,000-year slumber when freed from the Arctic permafrost.
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EnvironmentWildfire smoke seeds the air with potentially dangerous microbes
Studies now show that most wildfires don’t kill microbes. That’s fueling worries about what risks these smoke hitchhikers might pose to people.
By Megan Sever -
GeneticsExplainer: Virus variants and strains
When viruses become more infectious or better able to survive the body’s immune system, they become a type of variant known as a strain.
By Janet Raloff -
LifeLet’s learn about microbes
There may be a billion species of microorganisms on Earth — but scientists have only discovered a small fraction of them.
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AnimalsCommon parasite may help mussels survive heat waves
By whitening shells, the organism helps the shellfish stay cool on sunny days, a new study suggests.
By Sid Perkins -
MicrobesSeveral plant-like algae can morph into animal-like predators
Single-celled green algae swim through water as free cells. Most use only photosynthesis for their energy. But not all of them, a new study shows.
By Laura Allen -
Health & MedicineSome microbial hitchhikers may weaken body’s attack on COVID-19
New research identifies an altered mix of microbes in the body — ones commonly seen in people with poor diets — that may worsen coronavirus disease.
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Health & MedicineSome young adults will volunteer to get COVID-19 for science
Researchers will soon give some healthy people the new coronavirus. Their young volunteers have agreed to get sick to speed coronavirus research.
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AgricultureHealthy soils are life-giving black gold
Scientists explain why everyone needs to value the soils beneath our feet — and why we should not view them as dirt.
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AgricultureSoil (and its inhabitants) by the numbers
Teeming with life, soils have more going on than most of us realize.