Microbes
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Life
Two stationary kinds of bacteria can move when mixed
Bacteria stuck when alone on a dry surface get moving — and get faster — when they evolve together.
By Susan Milius -
Life
For bacteria, assassination can breed cooperation
Cholera bacteria stabbing each other can encourage the evolution of cooperation.
By Susan Milius -
Life
Yeasts hide in many lichen partnerships
Yeasts newly discovered in common lichens challenge more than a century of thinking about what defines the lichen symbiosis.
By Susan Milius -
Animals
Readers mesmerized by ‘Strange visions’
Animal vision, ice-making microbes, brain maps and more reader feedback.
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Microbes
Tests turn up dicey bagged ice
Tests of bagged ice found that 19 percent exceeded recommended thresholds for bacterial contamination.
By Laura Beil -
Microbes
Thaw tests turn up dicey bagged ice
Tests of bagged ice found that 19 percent exceeded recommended thresholds for bacterial contamination.
By Laura Beil -
Ecosystems
Ocean plankton held hostage by pirate viruses
The most abundant photosynthesizers on Earth stop storing carbon when they catch a virus.
By Susan Milius -
Animals
Antibiotics in cattle leave their mark in dung
Treating cattle with antibiotics may have side effects for dung beetles, microbes and greenhouse gases.
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Life
Gut microbe may challenge textbook on complex cells
Science may finally have found a complex eukaryote cell that has lost all of its mitochondria.
By Susan Milius -
Microbes
Leptospirosis bacterium still haunts swimming holes
Bacterial scourges lurk in warm recreational waters.
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Life
Bacteria use cool trick to make ice
By reordering nearby water molecules, Pseudomonas syringae bacteria can make ice.
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Agriculture
Bacterium still a major source of crop pesticide
Bacillus thuringiensis bacteria have provided pest-fighting toxins for over 50 years.