N-heterocyclic-carbene-catalyzed quadruple domino sequence
![Asymmetric Synthesis of Cyclopenta[c]chromenones](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/167b7ffc843.jpg)
Asymmetric Synthesis of Cyclopenta[c]chromenones

Trimer Catalyst Enables Selective C–C Coupling
Iodo-selective arylation and alkylation reactions achieved using a Pd trimer

Microtube with Built-In Pump
Rapid controlled transport of water droplets by sunlight-powered pump

Energy-Efficient High-Speed Centrifuges
Small design changes cut energy consumption in half without losing separation efficiency

Gold Recycling
Selective dissolution of elemental gold from multi-metal sources in organic solutions

Sustainable Chemistry with Enzyme Gels
Biocatalytic materials for the green production of value-added chemicals

Towards Rechargeable Sodium-Ion Batteries
Multi-ion design for batteries with a high working voltage and good rate performance

Proteins for Making Tough Rubber
Biomimetic strategy leads to strong, recyclable rubber

Angewandte Chemie 50/2018: Happy Landings
Overview of the latest issue of Angewandte Chemie

The Secret Contamination of Polar Bears
Hundreds of unrecognized halogenated contaminants discovered in polar bear serum