Microbes
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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.
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PaleontologyOldest microfossils suggest life thrived on Earth about 4 billion years ago
A new claim for the oldest microfossils on Earth suggests that life may have originated in hydrothermal vents, but some scientists have doubts.
By Meghan Rosen -
MicrobesMicrobes survived inside giant cave crystals for up to 50,000 years
Microbes trapped in crystals in Mexico's Naica mine may represent some of the most distinct life-forms found in Earth so far.
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EarthFossil microbes show how some life bounced back after dino-killing impact
Pioneering microbes colonized the waters above the Chicxulub crater within hundreds of years following the impact, new research shows.
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MicrobesCut leaves in bagged salads help Salmonella grow
Juice from torn-up leafy greens helps Salmonella spread in bagged salads.
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PlantsBacteria help carnivorous plants drown their prey
Pitcher plant drowning traps are more difficult for an insect to escape when bacteria colonize them.
By Susan Milius -
LifeLichens are an early warning system for forest health
Lichens, fascinating mosaics of fungi and algae or cyanobacteria, are made for sensing environmental change.
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Health & MedicineStaph infections still a concern
Scientists have been searching for a vaccine against a deadly microbe for 50 years.
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PaleontologyAncient microbe fossils show earliest evidence of shell making
Armor-plated, 809-million-year-old fossilized microbes discovered in Canada are the oldest known evidence of shell making.
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HumansLawrence David’s gut check gets personal
Computational biologist Lawrence David regularly opens himself to new scientific challenges, including tracking his own microbiome.