We demonstrate that the silica shell on nanoparticles formed by a typical Stöber method is inhomogeneous in nature. The outer layer of the shell is chemically more robust than the inner layer, which ...

The Original Dracula Was Afraid of Garlic: Folk legends and vampire myths often associate garlic with repelling vampires; this was woven into the Dracula lore, but there’s no historical evidence Vlad ...