The Weekly Quiz blog

Short essays on quiz craft, memory science, and how this site works.

Why a weekly quiz beats a daily one (for actually remembering things)

The science of spacing: why a seven-day quiz cycle outperforms daily drips for long-term memory.

The anatomy of a fair quiz question

What separates a satisfying quiz question from a trick — the craft rules our editors apply to every item.

ISO weeks, explained (and why this site runs on them)

What ISO week numbers are, how week 1 is decided, and why a quiz archive is better organised by ISO weeks than by dates.