This text is based on notes and sketches prepared for an undergraduate course titled "Chemistry of the Environment and of Cultural Property," which Giorgio Torraca taught at the "Valle Giulia" Faculty ...

The prosecution yesterday formally charged 28 people, including ousted prime minister Sheikh Hasina and 23 top and mid-ranking current and former army officers, at International Crimes Tribunal-1 in ...

Atoms are the building blocks of everything. Atoms can form strong bonds with each other, making molecules. Symbols and formulae Letters from the alphabet are used to represent chemical elements. An ...