Hot glue guns are a staple DIY tool. But the glue often drips onto countertops and work surfaces. Head to the medicine ...

In this activity, you will be able to make glue out of milk! The main ingredient is a protein in milk called casein that you will turn into your own glue, and then test against a commercial glue.

Credit: Ian Moore / Lifehacker; CentralITAlliance / BJI / Blue Jean Images / iStock / Getty Lifehacker’s Ultimate Guide to Spring Cleaning will help you clean more efficiently and make ...