December 21

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Better Than News

Beyond Plausible

In Other Words

Are You Sure

• ... that logician and philosopher Jan Łukasiewicz was a pioneer of post-Aristotelian logic, and that his innovative thinking about the principle of non-contradiction and the law of excluded middle helped establish modern logic?

•... that I Snow What You Did Last Shiver is a 1997 American action-adventure film about four young friends who must survive winter hardship one year after covering up a car accident in which a man froze to death?

Selected Anniversaries

Topic of the Day

Arthur Conan Doyle