technology, evolution, developmental biology, cell & molecular biology
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.
Next Generation: Hundreds of Cell-Analyses at Once
Edyta Zielinska | Aug 11, 2011
A new microfluidics chip lets researchers analyze the nucleic acids of 300 individual cells simultaneously.
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.
Lab-Grown Sperm
Cristina Luiggi | Aug 4, 2011
Healthy mice are born from germ cell precursors grown in vitro.
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.  
Harmful Bacterial Metabolites
Harmful Bacterial Metabolites
Michelle G. Rooks and Wendy S. Garrett | Aug 1, 2011
Gut bacteria that feed on healthy food appear to amplify the nutritional benefits of those foods. However, they also appear to amplify the undesirable effects of unhealthy food.