They’re having themselves a cheesy little Christmas. A New Jersey deli is crafting 2-foot-tall ravioli Christmas trees — and they’re fry-ing off the shelf. They were soon inundated with over ...

Diagnostic markers are biological parameters that aid the diagnosis of diseases. Examples include the presence of particular genetic variants and the levels of particular proteins in body fluids.

Genetic markers are DNA sequences with known physical locations on chromosomes. They are points of variation that can be used to identify individuals or species, or may be used to associate an ...