Do rusty nails in soil help plants? See why this old gardening tip keeps circulating—and what's actually happening ...

Which water solution will make steel nails rust the most? I am an eighth-grader at Central Middle School. For an assignment, I designed and conducted a controlled science experiment to investigate ...

Q. This week: I painted a 20-year-old wood-sided addition on a house two years ago. There were a few nailheads that showed rust through the paint. I scraped these, sanded them, primed, and repainted ...