genetic manipulation, cell & molecular biology, evolution
Oldest Known Wood
Jef Akst | Aug 12, 2011
Two newly described fossils suggest that wood is some 10 million years older than previous believed.
Cancer Researcher Fabricated Data
Jessica P. Johnson | Aug 11, 2011
Sheng Wang leaves the Boston University School of Medicine and agrees to retract two published studies.
Yeast Don't Need Oxygen
Bob Grant | Aug 11, 2011
Scientists discover that ancestors of the unicellular fungi can synthesize essential biomolecules with only trace levels of O2.
Why Have Twins?
Jef Akst | Aug 11, 2011
Mothers more likely to have twins have heavier, healthier non-twin babies, possibly explaining why twinning evolved.
Rewriting E. coli’s Genetic Code
Sabine Louët | Aug 5, 2011
Researchers use directed evolution to create a bacterial strain that substitutes a synthetic base for thymine.
Baruj Benacerraf Dies
Edyta Zielinska | Aug 3, 2011
The Nobel Prize winner who discovered the gene that encodes the major histocompatibility complex passes away at age 90.
Hungry Neurons = Hungry Person
Katherine Bagley | Aug 2, 2011
Starving brain cells can stimulate hunger through a common cannibalistic act, possibly explaining why some dieters can’t resist temptation.
Anti-evolution Vandals?
Edyta Zielinska | Aug 1, 2011
Pro-evolution bumper stickers and emblems are being removed from the cars of biologists in Florida.
Helpful Bacterial Metabolites
Helpful Bacterial Metabolites
Michelle G. Rooks and Wendy S. Garrett | Aug 1, 2011
While gut microbiota appear to have both positive and negative impacts on our  health, in the guts of healthy, lean individuals, the good outweighs the bad.  
The Right Sort
Richard P. Grant | Aug 1, 2011
Isolating specific cell types from a mass of plant or animal tissue is laborious and tricky.