Nature Chemistry | The Sceptical Chymist

The yellow (and red, blue and green) brick road

My fellow Cambridge-London commuters; did you work it out? Once you know that it depicts a gene, it’s annoyingly obvious. But despite travelling past it by train about three days per week, I failed to identify the thousands of brightly coloured bars painted on the cycle path next to the rail track near Cambridge’s Addenbrooke’s hospital as a nucleotide sequence. It should have been a clue that only four colours are used. 


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