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Louisiane Ferlier reports on a new exhibition in the Bibliothèque Mazarine in Paris, a collaboration between the Académie des sciences and the Royal Society.

What became of Jesse Ramsden’s 'Great Theodolite’, commissioned by the Royal Society in 1784? Ainsley Vinall investigates.

Louisiane Ferlier introduces the first international collaborative exhibition put on by the Royal Society Library team, jointly curated with the French Académie des sciences.

A survey carried out by John Augustus Lloyd for the Royal Society's Thames Levels Committee greatly improved our understanding of the river, as Jon Bushell discovers.

Virginia Mills discovers how Royal Society Fellows Nevil Maskelyne and Charles Hutton calculated the density of the Earth using a Scottish mountain, at the cost of a bothy and a prized fiddle.