The scientific community bid farewell to researchers who furthered the fields of molecular biology, virology, sleep science, and immunology, among others.

The Harvard Medical School researcher’s work on the genetic basis of protein coding and production led him to make groundbreaking discoveries in immunology, molecular biology, and cancer genetics.

A step-by-step study of diseases that jump species gives subtle clues about future epidemics.

There’s a new cell-based cancer immunotherapy on the block.

So far, six animal species are known to carry transmissible, “parasitic” forms of cancer, but researchers are still mystified as to how cancer can become infectious.

From therapeutics to gene transfer, bacteriophages offer a sustainable and powerful method of controlling microbes.

Editor's Note: On May 2, the National Academy of Sciences announced the election of 60 new members and 15 foreign associates from nine countries in recognition of their distinguished and continuing achievements in original research. Nearly half of the new members are life scientists. In this article, The Scientist presents photographs of some of the new members and comments from a few of them on their careers and on past and current research. A full directory of NAS members can be found online a

Are they students? No, but they're not quite "real" scientists, either. They're sure in demand--just look at all the ads for them in the classifieds of scientific journals and trade publications. Yet the National Science Foundation and the National Institutes of Health don't really know how many of them there are. And many human resources pros don't even know who they are in their own companies. These mystery lab workers are postdoctoral research associates, or "postdocs," who cling to an ill-