circadian clocks, microbiology
MRSA on the Loose
MRSA on the Loose
Beth Marie Mole | Oct 22, 2012
Wild animals are getting and spreading the deadly antibiotic-resistant bacteria.   
Searching for Alien Genomes
Searching for Alien Genomes
Jef Akst | Oct 22, 2012
J. Craig Venter plans to develop a machine to find and sequence DNA on Mars, but another genomics mogul, Jonathan Rothberg, may beat him to it.
Genomic Methylation Collector
Genomic Methylation Collector
Beth Marie Mole | Oct 22, 2012
A parasitic worm accumulates epigenetic DNA tags over its lifetime.  
HIV Evolves Vulnerability
HIV Evolves Vulnerability
Sabrina Richards | Oct 22, 2012
In mutating to evade immune detection, HIV becomes susceptible to detection by different antibodies, suggesting new strategies for vaccination.
Bacteriography
Bacteriography
Beth Marie Mole | Oct 19, 2012
A scientist-turned-artist cultures bacteria into art.
Sniffing Out TB
Sniffing Out TB
Jef Akst | Oct 18, 2012
An African rat helps detect tuberculosis in Tanzania, prompting the Mozambique government to pursue a similar project.
Flooding Rivers with Resistance
Flooding Rivers with Resistance
Dan Cossins | Oct 18, 2012
A river system in Colorado contains high concentrations of antibiotic resistance genes in areas close to water-treatment plants.
Epigenetic Enigmas
Epigenetic Enigmas
Beth Marie Mole | Oct 17, 2012
Overturning previous studies, a peculiar protozoan mysteriously uses a DNA-markup system to take out the genetic trash.   
A Parasite’s Parasites
A Parasite’s Parasites
Ed Yong | Oct 15, 2012
French scientists identify a new giant virus, which carries the genome of a smaller virus and a new breed of mobile DNA.
Mites Remember Enemies, Fight Back
Mites Remember Enemies, Fight Back
Dan Cossins | Oct 12, 2012
Mites that were attacked by rival species as juveniles attack the young of their former assailants more frequently when they reach adulthood.