Microbes
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Health & MedicineCold noses nurture colds
The common cold infects the nose. Scientists long have known the virus grows better there, but not why. Now, a study finds the body’s defenses simply don’t work as well under the nose’s slightly cooler temperatures.
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EarthClouds may be dining cars for some germs
Scientists had known microbes could hitchhike across and between continents on clouds. New research now shows that some germs don’t just treat clouds as a high flying jet, but also as a cafeteria.
By Beth Mole -
AnimalsVirus blamed in starfish die-off
A virus may explains the deaths of millions of starfish along the Pacific Coast of North America. The deaths affect 20 species. Some of the stricken animals appear to melt into puddles of slime.
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GeneticsHow ‘bugs’ in our bellies impact our health
Gut bacteria can play a powerful role in human health, new studies show. In one, bacteria turned a nutrient in red meat into a chemical that boosts the risk of a heart attack. Another study shows that our genes play a role in whether we are fat or thin, probably by affecting which bacteria prefer to live in our intestines.
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GeneticsGerms help each other fend off antibiotics
Drug-resistant bacteria can cause persistent infections. A new study finds these germs fight drugs in different ways. And they can swap various compounds, increasing their neighbors’ chances of overcoming the drugs meant to kill them.
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Health & MedicinePills of frozen poop fight killer disease
Popping poop pills? Of course it sounds yucky. But researchers find it might just be one of the most effective ways to knock out a very serious — and tough-to-kill — intestinal disease.
By Janet Raloff -
Health & MedicineExplainer: What is C. difficile?
Over the past two decades, these severe bacterial infections have evolved from a no-big-deal occurrence to a common, life-threatening problem.
By Janet Raloff -
Health & MedicineArtificial sweeteners may evict good gut microbes
People use saccharin and other artificial sweeteners to try to stay healthy. A study now suggests such sweeteners might actually cause harm by encouraging the wrong bacteria to grow in our guts.
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TechRepelling germs with ‘sharkskin’
A biotechnology company has found a way to repel superbugs without toxic chemicals. It mimics the texture of a shark’s skin.
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MicrobesRecycling the dead
When things die, nature breaks them down through a process we know as rot. Without it, none of us would be here. Now, scientists are trying to better understand it so that they can use rot — preserving its role in feeding all living things.
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PlantsSaving the banana
A number of diseases threaten the world’s most popular fruit. Scientists are working to fight these blights. But if they don’t succeed, the sweet banana that’s a breakfast staple could disappear.
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Health & MedicineEbola treatments and vaccines could be near
Using experimental medicines against Ebola might help to slow or end an outbreak in Africa that has defied efforts to control it.
By Nathan Seppa