You will be working with many pathogenic species of bacteria in the laboratory. Remember that bacteria are in the air as well as on the skin, the counter, and all objects and equipment that have not been sterilized. The most important tool for transferring cultures is the wire inoculating needle or loop. It can be quickly sterilized by heating it to red hot in a Bunsen burner flame.
"The more often we see the beautiful little things we use routinely in the lab, the less and less we seem to ‘see’ them. Maybe we should all take a moment to salute the ‘trivial’ things in life that we have taken for granted." Read more: Lab life Source: Noimpactscience