Shoulder Season (May & Nov) 1  Rising May temperatures herald the onset of the wet season around Manila and elsewhere. 2  November sees high-season rates kick in.
Nuclear Decay Definition. Nuclear decay or radioactive decay is the emission of energy and matter because of change in the nucleus of atom. The nuclear decay involves the emission of ionizing particles or ionizing radiation.
Radioactive decay. Alpha decay is  one type of radioactive decay, in which an atomic nucleus emits an alpha particle, and thereby transforms (or decays) into an atom with a mass number decreased by 4 and atomic number decreased by 2.