Evolution writ small

A unique experiment at Rice University that forces bacteria into a head-to-head competition for evolutionary dominance has yielded new insights about the way Darwinian selection plays out at the molecular level. An exacting new analysis of the exper…

Where the fat’s at

In real estate, location is everything. The same might be said of lipids — those crucial cellular fats and oils that serve as building blocks for cells and as key energy sources for the body.
In a paper published in the September issue of…

AACR supports NIH stem cell research

PHILADELPHIA — The American Association for Cancer Research (AACR), the world’s oldest and largest cancer research organization, reiterates its support for the responsible conduct of human embryonic stem cell research that, up until this week, wa…