Although none of the Game of Thrones spinoffs have arrived yet, many facets of the series remain indelibly seared into our brains. Some explosively so, like the wildfire various characters use to gain ...

At first glance, you might think that a molecule with the empirical formula Mn 2 O 7 is an ionic, possibly crystalline, solid. But manganese heptoxide is anything but that. Rather, it’s a volatile ...