5,618 results
5,618 results for: Bacteria
- Health & Medicine
Why some children may get strep throat more often than others
Kids with recurrent strep throat appear to have a defective immune response to the bacteria that cause the infections, a study finds.
- Health & Medicine
Probiotics don’t help puking kids, two large trials suggest
Parents might want to spend their money on ginger ale and Jell-O instead.
- Life
A mash-up of yeast and E. coli shows how mitochondria might have evolved
An engineered partnership between yeast and E. coli suggests one way mitochondria may have evolved.
- Earth
These light-loving bacteria may survive surprisingly deep underground
Traces of cyanobacteria DNA suggest that the microbes live deep below Earth’s surface.
- Materials Science
50 years ago, bulletproof armor was getting light enough to wear
In 1969, bulletproof armor used boron carbide fibers. Fifty years later, bulletproof armor is drastically lighter and made from myriad materials.
- Life
Bird eggs laid in cold climates are darker, which may keep eggs warm
A global survey of bird egg color reveals a simple trend: the colder the climate, the darker the egg.
- Neuroscience
Messing with fruit flies’ gut bacteria turns them into speed walkers
Without the right gut microbes, fruit flies walk faster and take shorter rests, results that highlight a new connection between the gut and brain.
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These are the most-read Science News stories of 2019
From carbon nanotubes to vitamin D, Science News online readers had a wide variety of favorite stories on our website.
- Life
Eating less protein may help curb gut bacteria’s growth
A new study in mice and 30 mammal species hints at what controls the types and amounts of gut microbes, which can contribute to health and disease.
- Earth
Flooding Earth’s atmosphere with oxygen may not have needed a triggering event
Building an oxygen-rich world doesn’t require volcanism, supercontinent breakups or the rise of land plants — just nutrient cycling, a study finds.
- Tech
A new 2-D material uses light to quickly and safely purify water
A newly designed material uses only light to speedily remove 99.9999 percent of microbes from water.
- Genetics
A 5,000-year-old mass grave harbors the oldest plague bacteria ever found
DNA from an ancient strain of the plague-causing bacterium could help uncover the origins of the deadly disease.
