Recent corruption inquiries in South Africa have sparked viral memes and tragic events, including the assassination of a key witness.

Instead of a soft, gentle purr, she lets loose a series of loud, trilling noises that sound more like a tiny, ferocious dinosaur than a sleepy house cat. The contrast is hilarious and oddly endearing.

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts ...