Located near Flattach in Carinthia, Raggaschlucht is one of the natural highlights of Hohe Tauern National Park. The trail leads hikers along wooden paths through a dramatic gorge filled with rapids ...

Chemists in South Korea have created a stable color-changing sensor that displays an easily quantifiable response to the pH of its surroundings. Published in Microsystems & Nanoengineering, Dong-Hwan ...