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The scientific study of [[speciation]] — how [[species]] evolve to become new species — began around the time of [[Charles Darwin]] in the mid ...]. Speciation has largely been divided into discrete modes that correspond to rates of gene flow between two incipient populations. Current research has ...

{{Short description|Observed inability to reproduce scientific studies}} ...n which the results of many scientific studies are difficult or impossible to [[reproducibility|reproduce]]. Because the reproducibility of empirical res ...

...her, James Hiley, worked for the military of the [[British Raj]]. He moved to [[Hampshire]], England, at the age of twelve, where he attended secondary s ...Between the Wigner-Moyal and Bohm Approaches to Quantum Mechanics: A Step to a More General Theory? |url=http://www.bbk.ac.uk/tpru/BasilHiley/W-MandBohm ...

...llite into orbit]] using its [[safir (rocket)|own launcher]] and the sixth to send [[animals in space]].]] ...kat.jpg|thumb|[[COVIran Barekat]] first locally developed COVID-19 vaccine to be approved for emergency use in the Middle East<ref>{{Cite web|date=2021-0 ...

{{Short description|Stereotyping or discrimination due to age}} ...ge|elderly]] people. The term was coined in 1969 by [[Robert Neil Butler]] to describe this discrimination, building on the terminology of [[sexism]] and ...