How many words can you find in the word flower below? Words must be at least four letters long and must always include the middle letter. You can use letters more than once. There are 26 words in total, including at least one that uses all five letters. This puzzle’s key word is linked to the research update “Quantum principle allows heat to flow from cold to hot” by Chaitanya Gupta
How did you get on?
12 words Warming up nicely
16 words Getting hot, hot, hot
20 words Top dog!
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