Microbes
- Microbes
Now 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.
- Genetics
The Zika epidemic began long before anyone noticed
Zika spread undetected into Brazil and Florida, a genetic study suggests.
By Laura Beil - Climate
Ocean 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 - Life
Origin 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.
- Paleontology
Oldest 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 - Microbes
Microbes 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.
- Earth
Fossil 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.
- Microbes
Cut leaves in bagged salads help Salmonella grow
Juice from torn-up leafy greens helps Salmonella spread in bagged salads.
- Plants
Bacteria 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 - Life
Lichens are an early warning system for forest health
Lichens, fascinating mosaics of fungi and algae or cyanobacteria, are made for sensing environmental change.
- Health & Medicine
Staph infections still a concern
Scientists have been searching for a vaccine against a deadly microbe for 50 years.
- Paleontology
Ancient 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.