Lamarck, evolution, microbiology
Oldest Known Wood
Jef Akst | Aug 12, 2011
Two newly described fossils suggest that wood is some 10 million years older than previous believed.
Fair Trade at Plant Roots
Kerry Grens | Aug 11, 2011
Plant and fungal symbionts swap more resources with partners that provide a greater return of nutrients.
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.
Arsenic-Based Life, Open to Critique
Edyta Zielinska | Aug 10, 2011
A researcher is repeating the controversial experiments that suggested a bacterium used arsenic rather than phosphorus in its DNA—with the world watching.
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.
Anti-evolution Vandals?
Edyta Zielinska | Aug 1, 2011
Pro-evolution bumper stickers and emblems are being removed from the cars of biologists in Florida.
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. 
Ernst Haeckel’s Pedigree of Man, 1874
Hannah Waters | Aug 1, 2011
After completing his studies in medicine and biology, a restless Ernst Haeckel set off for Italy in 1859 to study art and marine biology. The diversity of life fascinated the 26-year-old Prussian, and in addition to painting landscapes, he spent the
An Unlichenly Pair
Hannah Waters | Aug 1, 2011
A young botanist pays tribute to his mentor by naming a newly discovered, rare species in his honor.