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).
Mobile number portability (MNP) is a service that allows a cellphone or smartphone customer to change telecom carrier and keep the same phone number. The lack of number portability between wireless carriers has kept many consumers in India from changing cell phone service providers. Now that the infrastructure is finally in place, MNP will be available to all wireless customers by the end of January 2011.