Cheese fungus, head lice, human sperm, a bee eye, a microplastic bobble: scientific photographer Steve Gschmeissner has imaged them all under the probing lens of a scanning electron microscope (SEM).

Making your own microscope slides can be fun and easy with these simple-to-follow tips — including dry and wet mounting, plus crafty alternatives.

Making soap seems like an arcane, ancient craft that few people know how to do. But the secrets of how to make soap are more within reach than you may think. Many do-it-yourself projects aren’t worth ...