A database of biological numbers that you can search and browse. Did you ever need to look up a number like the volume of a cell or the cellular concentration of ATP, only to find yourself spending much more time than you wanted on the Internet or flipping through textbooks - all without much success?Well, it didn't happen only to you It is often surprising how difficult it can be to find concrete biological numbers, even for properties that have ben measured numerous times. To help solve th…