The four questions from that day on GutGuesser. The answers aren't here: you find them by playing.
Space · Source: Efemérides del cometa 1P/Halley
Transport · Source: Texas DOT, Katy Freeway
World · Source: Estimaciones de volumen de búsqueda de Google
Animals · Source: Bioacústica marina, canal SOFAR
We don't publish the answers. Every day there are four new questions, one minute, and whoever gets closest wins.
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