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Stories by S.E. Gould

The Sciences

Holding molecules together - van der Waals forces

A while back, I did a post for Chemistry week about hydrogen bonds. In it, I mentioned why I find intramolecular forces so fascinating; they are interactions on such a tiny scale that hold together everything from small molecules like water to massive molecules like the enzymes and multi-enzyme complexes that I study.The hydrogen-bond post seems to pick up a fair amount of visitors each month, and I like to think it has been a useful post for those studying Chemistry for school, or trying to remember their schoolwork at university level...

October 9, 2011 — S.E. Gould
Health

Plague and the city

In terms of human evolution, cities are a relatively modern invention. Nobody is quite sure when or where the first cities started to develop, but they are generally thought to be a product of increasing reliance on agriculture that started around 5000BC Nowadays, cities have spread across the planet becoming larger and larger and, as the population continues to increase exponentially, more and more crowded.In large cities you get lots of people all packed close together...

August 18, 2011 — S.E. Gould
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