Essentially all cells in an organism's body have the same genetic blueprint, or genome, but the set of genes that are actively expressed at any given time in a cell determines what type of cell it ...

Editor's note: This article was originally published in 2016 and has been updated for 2018. We practitioners of the technological arts have a tendency to use specialized jargon. That's not unusual.

Wide binary stars with separation greater than about 2000 astronomical units are interesting natural laboratories that allow a direct probe of gravity at low acceleration weaker than about 1 nanometer ...

We evaluated whether men at risk for death from prostate cancer after radical prostatectomy can be identified using information available at diagnosis. As compared with an annual PSA velocity of 2.0 ...