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]. Imagine leaving your shiny metal bicycle outside ...

Rust is a common household enemy, rearing its ugly orange-brown head anywhere from the kitchen utensil drawer to the workshop tool chest. Although it poses no health risks on its own, anyone looking ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...

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 ...