Strong hypotheses stand the test of time because of rigorous experimentation by authors and the scientific community. From time to time a manuscript arrives accompanied by a cover letter in which ...
(A) Archaezoan hypothesis. (B) Symbiotic hypothesis. The shapes within the eukaryotic cell denote the nucleus, the endomembrane system, and the cytoskeleton. The irregular gray shape denotes a ...
KINSHASA, Dec. 21 (Xinhua) -- The Democratic Republic of the Congo (DRC) is grappling with a deadly illness of unknown origin that has claimed dozens of lives in a province, prompting investigations ...
Scientists use hypotheses to explain things that they observe. Hypotheses can be tested to confirm whether or not a variable has an effect on another variable, and what the relationship is between ...