There are some lab math calculations that almost all molecular biologists need to perform, and often on a regular basis. Make sure you never mess up a solution or miscalculate your DNA concentration again, with our handy lab math cheat sheet. Print it out and stick it on your bench.

Coach yourself to safer working habits by downloading our free fire diamond poster. It tells you what all the numbers, colors, and symbols mean, enabling you to handle dangerous reagents responsibly. Plus, printing it out and sticking it somewhere obvious means you don’t have to remember it all!