Leonardo da Vinci's famous paintings contain exceptional pigments that may have accelerated drying

Unusual Lead-Based Minerals in Artworks by Leonardo da Vinci

Space Travel Alters the Stratosphere
More than 20 elements discovered in stratospheric particles that match alloys used in spacecraft

Arenium-Ion-Catalyzed Halodealkylation of Silanes
New method using arenium-ion catalysis to effectively transforms quaternary silanes into a variety of functional derivatives

Biocatalytic Reduction of Imines in Non-Conventional Solvents
Iminoreductases are efficiently used to reduce cyclic imines in deep eutectic solvents and glycerol
![Photoinduced [3+2] Cycloaddition of Carbenes and Nitriles](https://www.chemistryviews.org/wp-content/uploads/2023/10/cycloadditionofcarbenesandnitriles_2023-125x94.png)
Photoinduced [3+2] Cycloaddition of Carbenes and Nitriles
Protocol for the synthesis of pharmaceutically useful oxazole derivatives

Aggregation Prevents Information Loss in Single-Molecule Magnets
Suppression of quantum tunneling by manipulating intermolecular arrangements of magnetic dipoles

Gold-Catalyzed Regiodivergent Synthesis of Carbazoles
Catalyst- and substrate-controlled transformation via cyclization of indole-functionalized alkynols

Activating Elemental Selenium via a Solvothermal Approach
Se precursor used for the synthesis of metal selenide nanocrystals, nanosheets, and single crystals

Regiodivergent Aminoalkylation of Alkyl Halides
Reaction based on dual nickel/photoredox catalysis shows ligand-controlled regioselectivity

BASF Announces Fermentation Plant in Ludwigshafen
Investment in the high double-digit million euro range for biological and biotechnology-based crop protection products