Rust is unsightly, damaging, and weakens the metal it affects, eventually destroying the surface. Knowing how to remove rust from metal is a useful skill that helps restore tools, furniture, and any ...

Imagine leaving your shiny metal bicycle outside in the rain. As water pools on its surfaces, oxygen from the air lingers nearby, and together they begin to quietly attack the metal. The iron in the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. What is rust? – Henry E., age 13, Boston, ...