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image: Oldest Known Wood

Oldest Known Wood

By Jef Akst | August 12, 2011

Two newly described fossils suggest that wood is some 10 million years older than previous believed.

3 Comments

image: Fair Trade at Plant Roots

Fair Trade at Plant Roots

By Kerry Grens | August 11, 2011

Plant and fungal symbionts swap more resources with partners that provide a greater return of nutrients.

3 Comments

image: Yeast Don't Need Oxygen

Yeast Don't Need Oxygen

By Bob Grant | August 11, 2011

Scientists discover that ancestors of the unicellular fungi can synthesize essential biomolecules with only trace levels of O2.

27 Comments

image: Why Have Twins?

Why Have Twins?

By Jef Akst | August 11, 2011

Mothers more likely to have twins have heavier, healthier non-twin babies, possibly explaining why twinning evolved.

6 Comments

image: Arsenic-Based Life, Open to Critique

Arsenic-Based Life, Open to Critique

By Edyta Zielinska | August 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.

9 Comments

image: Rewriting <em>E. coli</em>’s Genetic Code

Rewriting E. coli’s Genetic Code

By Sabine Louët | August 5, 2011

Researchers use directed evolution to create a bacterial strain that substitutes a synthetic base for thymine.

6 Comments

image: Anti-evolution Vandals?

Anti-evolution Vandals?

By Edyta Zielinska | August 1, 2011

Pro-evolution bumper stickers and emblems are being removed from the cars of biologists in Florida.

72 Comments

image: Harmful Bacterial Metabolites

Harmful Bacterial Metabolites

By Michelle G. Rooks and Wendy S. Garrett | August 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. 

0 Comments

image: Ernst Haeckel’s Pedigree of Man, 1874

Ernst Haeckel’s Pedigree of Man, 1874

By Hannah Waters | August 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

21 Comments

image: An Unlichenly Pair

An Unlichenly Pair

By Hannah Waters | August 1, 2011

A young botanist pays tribute to his mentor by naming a newly discovered, rare species in his honor.

0 Comments

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