natural science(noun) the sciences involved in the study of the physical world and its phenomena. natural science(Noun) A science involved in studying phenomena or laws of the physical world; a general term of physics, chemistry, biology, astronomy, and so on. Natural science. The natural sciences are those branches of science that seek to elucidate the rules that govern the natural world through scientific methods.
Local number portability (LNP) lets you change your phone company that provides you with your local calls without changing your telephone number(s).Taking your telephone number to another phone company is known as 'porting'.ocal number portability (LNP) lets you change your phone company that provides you with your local calls without changing your telephone number(s).
Also, you'll have to give up your current phone number, as Google Voice doesn't allow number porting from landlines. And the big caveat: no 911. Those couple of issues notwithstanding, this is one of the cheapest ways to keep landline-style phone service in your home -- perhaps the cheapest.