European Commission, developmental biology, cell & molecular biology, evolution
New Oldest Fossils
Jef Akst | Aug 22, 2011
Fossils discovered in Australian rocks may be the remnants of three and a half billion-year-old microorganisms.
Bacteria Kamikazes
Bacteria Kamikazes
Kelly Rae Chi | Aug 16, 2011
Researchers design a synthetic bacterium that kills the infectious microbe Pseudomonas aeruginosa, sacrificing itself in the process.
How Caffeine Fights Cancer
Jef Akst | Aug 15, 2011
Caffeinated drinks may help prevent skin cancer by inhibiting a DNA repair pathway, thus killing potentially precancerous cells.
Designing Worm Proteins
Jef Akst | Aug 15, 2011
For the first time, researchers have engineered a multicellular organism that incorporates a synthetic amino acid into its proteins.
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.
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.