In Science there is peer review, honesty, accuracy, rigorous standards and the literature is for scientists whereas the literature of pseudoscience is aimed at general public. There is no actual processes ever noticed, found or studied. The main aim of science is to achieve a complete and unified understanding of the physical world while pseudosciences are generally driven by cultural, ideological or commercial goals. The search for new knowledge is the driving force behind the evolution of science, whereas pseudoscience has evolved very little since its establishment and generally research is done to justify the beliefs, than to extend it.
the electronegativity of atoms increases from left to right across a period in the periodic table; it also decreases as you move from top to bottom down a group in the periodic table
DNA fingerprint is a pattern of dark bands on photographic film that is made when DNA fragments are separated by gel electrophoresis and tagged. The photograph produced is often used to determine whether or not suspects were involved in a crime.