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Infection Source Unclear
Sabrina Richards | Feb 7, 2012
Only a quarter of
infections in one hospital system were traced to contact with a symptomatic patient.
MRSA Found in Antibiotic-free Meat
Hannah Waters | Feb 2, 2012
Just because meat is labeled “antibiotic-free” doesn’t mean it’s antibiotic-resistant superbug-free.
Federal Biosecurity Panel Speaks
Bob Grant | Feb 1, 2012
The US National Science Advisory Board for Biosecurity explains why it recommended redacting the details of studies reporting on a highly transmissible H5N1 strain.
Arsenic-based Life Challenged Again
Hannah Waters | Jan 24, 2012
An attempt to regrow the infamous GFAJ-1 bacteria, reported to incorporate arsenic into its DNA backbone, has failed.
FDA Curbs Livestock Antibiotics
Tia Ghose | Jan 6, 2012
The agency has limited the use of antibiotics in farm animals.
Top Ten Innovations 2011
Staff | Jan 1, 2012
Our list of the best and brightest products that 2011 had to offer the life scientist
Arsenic Bug's Genome Sequenced
Bob Grant | Dec 7, 2011
Researchers have mapped out the DNA of what some scientists claim to be an arsenic loving bacterium.
Stem Cells Traced To Heart
Tia Ghose | Dec 1, 2011
New research suggests that a controversial class of stem cells originates in the heart and retains some ability to repair damaged tissue.
Breaching the Wall
Rachel Nuwer | Dec 1, 2011
Editor’s choice in immunology
Bacterial Identity Crisis
Cristina Luiggi | Nov 9, 2011
Researchers probe the genetics of a group of bacteria known to extensively swap DNA sequences with other species—blurring the species boundaries.