We are pleased to announce the answers to last week's quiz
![What Really Happened 2000 Days Ago](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/15114ee1ce6.png)
What Really Happened 2000 Days Ago
![Nanoparticles Catalyze Hydrogen Evolution](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/151161d6062.jpg)
Nanoparticles Catalyze Hydrogen Evolution
Cobalt ditelluride nanoparticles are an efficient electrocatalyst for electrochemical water reduction
![Angewandte Chemie 47/2015: Flat is Beautiful](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/150f65c0157.jpg)
Angewandte Chemie 47/2015: Flat is Beautiful
Overview of the latest issue of Angewandte Chemie
![Most Accessed Articles: October 2015](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/150f1d16172.jpg)
Most Accessed Articles: October 2015
The most-accessed chemistry articles from ChemPubSoc Europe, ACES, and GDCh journals for October 2015
![What Happened 2000 Days Ago?](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/150b42fa516.png)
What Happened 2000 Days Ago?
Guess what happened and have the chance to win a book
![Red-Emitting Carbon Dot Sensors](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/150c7c5e58c.jpg)
Red-Emitting Carbon Dot Sensors
Carbon dots as real-time fluorescent sensors for toxic ammonia gas
![Interfacial Effects in Bimetallic Nanocatalysts](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/150b2fd97aa.jpg)
Interfacial Effects in Bimetallic Nanocatalysts
Ultrathin Pd-Ag nanosheets used to examine synergetic effects in the selective decomposition of formic acid
![Star-Shaped Nanoantenna](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/150606768c0.jpg)
Star-Shaped Nanoantenna
Gold nanostars harvest light for photoelectrochemical reactions
![Working for the JCF – The Young Chemists’ Forum of the German Chemical Society](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/14fa705a0c0.jpg)
Working for the JCF – The Young Chemists’ Forum of the German Chemical Society
Members of the national board about the work and aims of the JCF and their personal motivations
![Desirable Defects in Photocatalytic Nanoslices](https://www.chemistryviews.org/wp-content/uploads/legacy/common/images/thumbnails/source/150b3b7cb67.jpg)
Desirable Defects in Photocatalytic Nanoslices
More defects in hydroxide nanosheets make better carbon dioxide photoreduction catalysts