The Viafocus library
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Who Moved the Cake? — How do detectives solve a mystery by ruling out what can't be true?
18 questions · 12 min

The Clock That Found the World — What is longitude and how did a clock solve it?
31 questions · 15 min

The Long Way Round — Why is the milk at the back of the shop?
31 questions · 15 min

The Middle One — Why is there always a medium size?
11 questions · 9 min

Repet och hagen — vad är omkrets och vad är skillnaden mot area?
13 questions · 12 min

Catch the Fall — How do you balance on a bicycle?
26 questions · 15 min

Nowhere to Shoot — Why do goalkeepers run out at strikers?
11 questions · 8 min

Nobody Picks Up — What is a time zone?
11 questions · 7 min

Genvägen — Vad betyder höjdkurvor på en karta?
9 questions · 6 min

Tornet till rymden — vad heter talet när man lägger till en nolla?
12 questions · 9 min

The Jam That Came Back
15 min

Hide the Moth — How does natural selection work?
16 questions · 12 min