All Puzzles articles

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Puzzle
On the spot: disappearing mercury

2020-05-22T10:30:00Z

What should you do when a hazardous chemical goes missing?
Puzzle
May 2020 puzzles

2020-05-04T14:30:00Z

Download the puzzles from the May print issue of Chemistry World
Puzzle
April 2020 puzzles

2020-04-01T13:30:00Z

Download the puzzles from the April print issue of Chemistry World
Puzzle
On the spot: dangerous gloves

2020-03-18T09:30:00Z

What would you do following a chemical spill in the lab?
Puzzle
March 2020 puzzles

2020-03-02T12:19:00Z

Download the puzzles from the March print issue of Chemistry World
Puzzle
February 2020 puzzles

2020-02-03T09:30:00Z

Download the puzzles from the February print issue of Chemistry World
Puzzle
January 2020 puzzles

2020-01-02T09:30:00Z

Download the puzzles from the January print issue of Chemistry World
Puzzle
December 2019 puzzles

2019-12-02T09:30:00Z

Download the puzzles from the December print issue of Chemistry World
Puzzle
On the spot: fiery solution

2019-11-14T09:40:00Z

How would you fight a solvent fire in your fumehood?
Puzzle
November 2019 puzzles

2019-11-01T09:33:00Z

Download the puzzles from the November print issue of Chemistry World
Puzzle
On the spot: pocketful of trouble

2019-10-03T09:30:00Z

What would you do if you found a mystery substance in your lab coat pocket?
Puzzle
October 2019 puzzles

2019-10-01T09:30:00Z

Download the puzzles from the October print issue of Chemistry World
Puzzle
On the spot: tyre fire

2019-09-04T09:30:00Z

What would you do if an entire tyre recycling centre was on fire?
Puzzle
September 2019 puzzles

2019-09-02T09:30:00Z

Download the puzzles from the September print issue of Chemistry World
Puzzle
On the spot: nitrous injection

2019-08-12T09:30:00Z

What would you do if a flask starts spewing brown gas?
Puzzle
August 2019 puzzles

2019-08-01T09:30:00Z

Download the puzzles from the August print issue of Chemistry World
Puzzle
On the spot: car coolant

2019-07-11T09:30:00Z

What would you do if you feel drowsy while transporting dry ice?
Puzzle
July 2019 puzzles

2019-07-01T09:30:00Z

Download the puzzles from the July print issue of Chemistry World
Puzzle
On the spot: silo rescue

2019-06-07T09:30:00Z

What could cause someone to pass out on top of a silo?
Sponsored
Build the best helicopter challenge

2019-06-06T15:45:00Z Sponsored by JMP

Can you figure out how to make the best paper helicopter?

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