noncoding RNA, microbiology
C. diff Infection Source Unclear
Sabrina Richards | Feb 7, 2012
Only a quarter of Clostridium difficile infections in one hospital system were traced to contact with a symptomatic patient.
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.
Top Ten Innovations 2011
The Scientist Staff | Jan 1, 2012
Our list of the best and brightest products that 2011 had to offer the life scientist
It’s Easy Being Green
Richard P. Grant | Jan 1, 2012
Now RNA can glow in the cell, as only proteins could in the past.
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.
Opinion: Confounded Cancer Markers
Vincent Detours | Dec 7, 2011
Prognostic signatures have become popular tools in cancer research, but it turns out signatures made of random genes are prognostic as well.
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.