Search Results for: bacteria
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Animals
Glowing octocorals have been around for at least 540 million years
Genetic and fossil analyses shine a light on how long the invertebrates have had bioluminescence — a trait thought to be volatile.
By Jake Buehler -
Life
Coral reefs host millions of bacteria, revealing Earth’s hidden biodiversity
A new estimate of microbial life living in Pacific reefs is similar to global counts, suggesting many more microbes call Earth home than thought.
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Neuroscience
How meningitis-causing bacteria invade the brain
Microbes behind bacterial meningitis hijack pain-sensing nerve cells in the brain’s outer layers, disabling a key immune response, a mouse study shows.
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Life
In Australia, mosquitoes and possums may spread a flesh-eating disease
Field surveys show that genetically identical bacteria responsible for a skin disease called Buruli ulcer appear in mosquitos, possums and people.
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Health & Medicine
Traces of bird flu are showing up in cow milk. Here’s what to know
We asked the experts: Should people be worried? Pasteurization and the H5N1 virus’s route to infection suggests risks to people remains low.
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Animals
In a first, genetically modified silkworms produced pure spider silk
An effort to engineer silkworms to produce spider silk brings us closer than ever to exploiting the extraordinary properties of this arachnid fiber.
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Life
1.6-billion-year-old steroid fossils hint at a lost world of microbial life
Molecular fossils suggest the existence of a lost world of primitive eukaryotes that dominated aquatic ecosystems from at least 1.6 billion to 0.8 billion years ago.
By Soumya Sagar -
Health & Medicine
Too much of this bacteria in the nose may worsen allergy symptoms
Hay fever sufferers have an overabundance of Streptococcus salivarius. The mucus-loving bacteria boost inflammation, causing an endlessly runny nose.
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Microbes
Some ‘friendly’ bacteria backstab their algal pals. Now we know why
The friendly relationship between Emiliana huxleyi and Roseobacter turns deadly when the bacteria get a whiff of the algae’s aging-related chemicals.
By Elise Cutts -
Life
These snails give live birth, and it’s the babies that may do the labor
Protecting eggs in mom’s body may have given rough periwinkle snails an advantage over egg-laying cousins, letting them spread to far more coastline.
By Susan Milius -
Health & Medicine
How patient-led research could speed up medical innovation
People with long COVID, ME/CFS and other chronic conditions are taking up science to find symptom relief and inspire new directions for professional scientists.
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Climate
Capturing methane from the air would slow global warming. Can it be done?
Removing methane from the atmosphere requires different technology from removing carbon dioxide. Scientists are taking on the challenge.