Microbes
- 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.
- Humans
Lawrence David’s gut check gets personal
Computational biologist Lawrence David regularly opens himself to new scientific challenges, including tracking his own microbiome.
- Oceans
Melissa Omand’s clever tech follows the fate of ocean carbon
Drawn to the water early, oceanographer Melissa Omand now leads research cruises studying how carbon and nutrients move through the seas.
- Life
Scientists watch as bacteria evolve antibiotic resistance
A giant petri dish exposes the evolutionary dynamics behind antibiotic resistance.
- Microbes
Microbial matter comes out of the dark
Undiscovered bacteria challenge what scientists know about microbial life.
By Laura Beil