Microbes
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MicrobesThe secret to icky, sticky bacterial biofilms lies in the microbes’ cellulose
Bacteria use a modified form of cellulose to form sticky networks that can coat various surfaces.
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MicrobesA new gel could help in the fight against deadly, drug-resistant superbugs
An antibacterial ointment breaks down the defenses of drug-resistant microbes such as MRSA in lab tests.
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MicrobesNew pill tracks gases through your gut
Swallowing these pill-sized sensors could give new insight into what’s going on in your gut.
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MicrobesThese disease-fighting bacteria produce echoes detectable by ultrasound
Ultrasound can help keep tabs on genetically modified bacteria to better fight disease inside the body.
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Materials ScienceNew 3-D printed materials harness the power of bacteria
The three-dimensional materials contain live bacteria and could generate wound dressings or clean up pollutants.
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OceansIn the deep ocean, these bacteria play a key role in trapping carbon
Mysterious nitrite-oxidizing bacteria capture more carbon than previously thought and may be the primary engine at the base of the deep ocean’s food web.
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Health & MedicineStep away from the cookie dough. E. coli outbreaks traced to raw flour
Flour, though low in moisture, can sicken people with E. coli toxins if it is eaten raw.
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LifeLena Pernas sees parasitic infection as a kind of Hunger Games
In studies of Toxoplasma, parasitologist Lena Pernas has reframed infection as a battle between invader and a cell’s mitochondria.
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MicrobesNow we know how much glacial melting ‘watermelon snow’ can cause
Algae that give snow a red tint are making glacial snow in Alaska melt faster.
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GeneticsThe Zika epidemic began long before anyone noticed
Zika spread undetected into Brazil and Florida, a genetic study suggests.
By Laura Beil -
ClimateOcean acidification may hamper food web’s nitrogen-fixing heroes
A new look at marine Trichodesmium microbes suggests trouble for nitrogen fixation in an acidifying ocean.
By Susan Milius -
LifeOrigin of photosynthesis may go further back than estimates from 50 years ago
Analyzing ancient rocks has helped push back the date when photosynthetic organisms first emerged by nearly a billion years.