A good one, well cared-for, can last for many years.Irish pipers often must master the art of reed making, as well as reed adjustment and maintenance. Trust me, this is no simple task. In conclusion, each of the traditions of bagpiping is replete with a body of repetoire, technique and playing opportunities. Of late, there have been more and more interchanges between the two, as it is quite possible to set Irish melodies on the Scottish chanter, and visa-versa. Bagpipers occupy a somewhat rarified world, inhabited by devotees and connoisseurs, as well as practitioners.
noun, plural: half-lives. (1) Biological half-life, i.e. the period in which the amount of substance inside the living organism is metabolized and eliminated half of its initial amount by normal biological process.
In biology, a biological life cycle is a series of changes in form that an organism undergoes, returning to the starting state. The concept is closely related to those of the life history, development and ontogeny, but differs from them in stressing renewal. Transitions of form may involve growth, asexual reproduction, or sexual reproduction. In some organisms, different generations of the species succeed each other during the life cycle. For plants and many algae, there are two multicellula