Science is dangerous. Do your colleagues need a gentle reminder of how hazardous it is? We’ve put together an attractive, and free, lab safety poster to explain all the common hazard symbols and the precautions against them. Hang it somewhere conspicuous to make you and your workplace that little bit safer.

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.