On-air challenge: For each given category, name things in the category starting with the letters R, H, Y, M, E. For example, if the category were "chemical elements with names ending in -ium," you might say: radium, helium, yttrium, magnesium and einsteinium. You can give the answers in any order, and any answer that works is fine.
Last week's challenge: Name something in seven letters that most people keep in their homes. Take the first, third, fourth and seventh letters and rearrange them. The result will be a four-letter word naming something that the seven-letter thing is commonly used for. What is it?
Answer: Aspirin (pain)
Winner: Barbara Levie of Evanston, Ill.
Next week's challenge from listener Ed Pegg Jr. of mathpuzzle.com: What familiar saying with seven words has seven consonants in a row? The answer is a common saying, in ordinary English. Sometimes it's expressed in nine words rather than seven, but it's the same saying. And either way, in one spot it has seven consecutive consonants. What saying is it?
If you know the answer to next week's challenge, submit it here. Listeners who submit correct answers win a chance to play the on-air puzzle. Important: Include a phone number where we can reach you Thursday at 3 p.m. Eastern.