German chemist known for the Knorr quinoline synthesis, the Knorr pyrrole synthesis, and the Paal–Knorr synthesis

100th Anniversary: Death of Ludwig Knorr

DNA Circuits
Changing the shape of soft matter using logic circuits made from DNA

A Diels-Alder Approach to Cannabinoid Derivatives
Tetrahydrocannabinol derivatives synthesized via Diels–Alder reactions of vinylchromenes with electron-poor dienophiles

Smart Glasses: Tool or Toy? – Part 2
Useful science apps for smart glasses and challenges of their use in the lab

Guess the Chemist (114)
Can you guess the famous scientist from the description?

Exploring the Microbiome on the International Space Station (ISS)
Kasthuri Venkateswaran and Nitin Kumar Singh on their search for extremophiles and how bacteria support plant growth

Our Organically Acidic Atmosphere
Current models of atmospheric chemistry and climate greatly underestimate the atmospheric burden of formic acid

Water Crisis
Water scarcity is driven by increasing freshwater consumption and depletion of usable freshwater resources

Renewable Energy Is Growing – But Not Fast Enough
2020 data show that clean power generation is not yet being built fast enough to keep pace with the rising electricity demand

The New EU Chemicals Strategy
Expert discussions at the Helsinki Chemicals Forum included the Green Deal and the EU Chemicals Strategy