Nobel Prize, developmental biology, evolution, microbiology
Resistance Outlasts Antibiotics
Edyta Zielinska | Dec 5, 2011
Antibiotic resistant bacteria keep their protective genes, even when antibiotics are no longer given.
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.
Astronaut Worms Return from Space
Jef Akst | Dec 1, 2011
After 6 months in orbit, Caenorhabditis elegans return to Earth—alive and well.
Newts' New Eyes
Richard P. Grant | Dec 1, 2011
Cut off a newt’s tail or a leg, or remove a lens from its eye, and it grows back. However, whether newts can continue to do this throughout their lives, or lose the ability as they get older, has remained a mystery. 
Eye of Newt
Richard P. Grant | Dec 1, 2011
Researchers find that newts are capable of regenerating body parts well into old age.
Frank Bradke: Privy to Axon Growth
Jef Akst | Dec 1, 2011
Full Professor and Senior Research Group Leader, German Center for Neurodegenerative Diseases. Age: 42
Breaching the Wall
Rachel Nuwer | Dec 1, 2011
Editor’s choice in immunology
Flow Cytometry for the Masses
Richard P. Grant | Dec 1, 2011
Tagging antibodies with rare earth metals instead of fluorescent molecules turns a veteran technique into a high-throughput powerhouse.
Cancer’s Escape Routes
Cancer’s Escape Routes
Tia Ghose | Nov 30, 2011
Scientists are beginning to discover myriad strategies tumors use to avoid attacks by anti-cancer drugs.
Evolutionary Pioneer Dies at 73
Edyta Zielinska | Nov 28, 2011
Lynn Margulis, an innovative thinker who proposed symbiosis as a major mechanism for speciation, passed away last week.