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The scientific method refers to techniques used in scientific observation and measurement, and the vast majority of research involves some type of practical experimentation.

The UNT Digital Library is a centralized repository for the rich collections held by the colleges, schools, and departments at the University of North Texas. Additionally, materials from the collections of the UNT Libraries are included.

Regent University provides outstanding graduate- and undergraduate-level programs both on campus and online with a solid commitment to Judeo-Christian principles and innovative Christian thought.

Canadian Center of Science and Education (CCSE) is an independent organization delivering supports and services to education and research in Canada and the world.

The National Academies Press (NAP) publishes authoritative reports issued by The National Academies. Publications address key issues in science, engineering, social sciences, medicine and health. Topics range from space science to animal nutrition to...

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