The Fn key is short for function – this particular key allows PC users to access the second assignment of a key. It is normally found at the bottom left corner. The Function keys (F1, F2, etc) are ...

The centrosome is the major microtubule-organizing centre (MTOC) in eukaryotic cells, being comprised of two centrioles surrounded by an electron-dense matrix, the pericentriolar material (PCM). The ...

Stephen Smith is a managing editor for CBSNews.com based in New York. A Washington, D.C. native, Steve was previously an editorial producer for the Washington Post, and has also worked in Los Angeles, ...

As the central part of the circulatory system, the heart is responsible for pumping blood, supplying oxygen and nutrients, and removing metabolic waste such as carbon dioxide from all the tissues in ...

Vitamin B2 (riboflavin) is an essential B vitamin for human health. Among other benefits, it supports cellular functions that provide the body with energy, allowing it to work efficiently. Riboflavin ...