para-aminosalicylic acid, cell & molecular biology, microbiology
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.
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.
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. 
The Right Sort
Richard P. Grant | Aug 1, 2011
Using the strongest molecular binding partnership in biology to separate different cell types.
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. 
It's a Cell-Eat-Cell World
Jef Akst | Aug 1, 2011
For more than 100 years, pathologists have observed cancer cells engulfing other live cells, but scientists are only now beginning to understand how it happens and what it means for tumorigenesis.
String Theory
Richard P. Grant | Aug 1, 2011
New types of biological filaments are turning up in yeast, fly, bacterial cells and in rat neurons, and they may yield clues to how the cytoskeleton evolved from metabolically active enzymes.
Plant Cells and Soap Bubbles
Richard P. Grant | Aug 1, 2011
Editor’s Choice in Plant Biology