All Puzzles articles – Page 19
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Puzzle
On the spot: Pocketful of trouble
What would you do if you found a mystery substance in your lab coat pocket?
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Puzzle
October 2019 puzzles
Download the puzzles from the October 2019 print issue of Chemistry World
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Puzzle
September 2019 puzzles
Download the puzzles from the September 2019 print issue of Chemistry World
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Article
Build the best helicopter challenge
Can you figure out how to make the best paper helicopter?
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Puzzle
On the spot: Keyboard contamination
What would you do if your hands are red and itchy after returning from the lab?
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Puzzle
February 2019 puzzles
Download the puzzles from the February 2019 print issue of Chemistry World
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Puzzle
On the spot: Permeating pong
What would you do if campus security reports a smell of gas near the labs during a power outage?