Plagiarism—whether intentional or not—can be damaging to a researcher’s career. To help NIH authors check that all of a manuscript’s sources are cited, the NIH Library offers its Plagiarism Checking Service.
The Greek letter π is the symbol for the irrational number representing the ratio of the circumference of a circle to its diameter. It is approximately 3.1415926. Pi Day is an annual celebration on March 14th (3/14), with this year’s being a very special Pi Day (3/14/15).