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Puzzle #226: Can you decipher the substitution cipher?

Can you solve this week’s logic puzzle, On reflection? Plus the answer to puzzle #225

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Puzzle #226: Can you decipher the substitution cipher?

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This week’s new questions

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T4AEYJ Stellar explosion shining in deep space, cosmic star blast in Universe. High resolution galaxy background.

An intellectually delicious recipe for electric meringue

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An intellectually delicious recipe for electric meringue
Could land-dwelling octopuses develop technology? (Part 3)

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Could land-dwelling octopuses develop technology? (Part 3)

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R2YAK1 Professional washer in black uniform and cap wiping with sponge car wheel of a luxury car during the washing process outdoors

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Why are the front wheels of my car much dirtier than the rear ones?

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MNN37P Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies are: the Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.

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Will there ever be a time when all our solar system’s planets align?

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R126CH Unrecognisable woman in casual clothing holding a box of used coffee ground to use as compost in her garden.

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Why used coffee grounds may be doing your plants more harm than good

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Tom Gauld on a professor in disguise

Tom Gauld on a professor in disguise

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Twisteddoodles on inventing a new type of washing pod

Twisteddoodles on inventing a new type of washing pod

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Earth

See some of the images up for the Earth Photo 2023 competition

From a photograph of algae choking an Indian river to a shocking depiction of the wearing away of the UK coast, these are some of the pictures in the running for the contest

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See some of the images up for the Earth Photo 2023 competition

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Is there a correct way to fill a dishwasher to maximise cleanliness?

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How and when did the North American accent develop? (part 2)

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This week’s new questions

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These beautiful sculptures are watching over the Great Barrier Reef

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