The Viafocus library
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One More Tree
16 min

Grandpa Never Loses — How to always win the 21 matchstick game (Nim)
22 questions · 15 min

Four Marks — How do you survive lost in the wild, and what kills you first?
30 questions · 16 min

Who Really Won? — How votes get counted, and why the rule can change the winner
24 questions · 14 min

The Pump on Broad Street
19 questions · 16 min

Åttan på vaxkakan — hur fungerar bidansen och hur talar bin om var blommorna finns?
15 min
The Showcase
12 questions · 12 min

The Jam That Came Back
15 min
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