Learn how to use Bar Keepers Friend in ways you'd never thought of before, including cleaning rusty tools, removing a ...

Q: My concrete sidewalk and driveway have large brown rust stains that I haven’t been able to remove. I tried bleach and a chemical remover to no avail. Can you help? A: Rust stains on concrete seem ...

Do you remember asking the classic question in high school chemistry class, “When will I ever use this?” I admit that I was one who posed this question loud enough that I was rewarded with an ...

Every week, readers reach out to me with fantastic questions about a column of mine they have just read. Often they ask why I didn’t delve deeper into the topic. The answer is that newspapers – the ...

Oxalic acid, the toxic substance that police investigators blame for the deaths of those killed in the recent milk tea poisoning in Manila, appears harmless enough in its crystalline form as it looks ...