catalogue

Later historians described this engraving and, despite having never seen the painting, catalogued its existence.

"Through identifying and classifying cosmic ray sources, our effort can hopefully provide a comprehensive catalogue of cosmic ray sources with classification," Zhang said.

The rapid growth of nanotechnology techniques for building catalysts, combined with machine learning tools that can search and analyze vast datasets, has already expanded the catalogue of known catalytic materials.

Penelope swiftly catalogued its contents: blankets and sheets.

At a presentation of the works, Mr Wollny said he was "99.99% sure that Bach had written the two pieces" and they have now been added to the official catalogue of his works.