Or, to be more precise, practical spoon-melting. Do you know about a de-lite-ful little trick that some scientists like to play on one another that causes a spoon to melt in hot liquids? Did you know ...

Q: You're stirring your cup of tea when right before your eyes the spoon disappears! Your friends burst out laughing. What're they up to this time? A: These pranksters know their quirky chemical ...