The Eureka Chronicles

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The Tuesday Effect in Cell Culture Assays

A lab's results kept drifting on one day of the week. The culprit wasn't the cells, the reagents or the people — it was the cleaning rota. A story ...

The Weave Editorial Team · 6 Oct 2026 · 3 min read

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About The Eureka Chronicles

The Eureka Chronicles follows questions rather than headlines. Every piece starts with something that didn't add up and ends wherever the evidence stopped, which is not always a satisfying place. We publish the dead ends alongside the breakthroughs because the dead ends are where most of the method lives.