one-half replication
71Player piano — The player piano is a self playing piano, containing a pneumatic mechanism that plays on the piano action pre programmed music via perforated paper rolls. The rise of the player piano grew with the rise of the mass produced piano in the house and …
72Microsoft SQL Server — Developer(s) Microsoft Stable release SQL Server 2008 R2 (10.50.2500.0 Service Pack 1) / July 11, 2011; 4 months ago …
73Mental disorder — Classification and external resources Eight women representing prominent mental diagnoses in the 19th century. (Armand Gautier) ICD 10 F …
74Norfloxacin — Systematic (IUPAC) name 1 ethyl 6 fluoro 4 oxo 7 piperazin 1 yl 1H quinoline 3 carboxylic acid Clinical data Trade names …
75Poliomyelitis — Polio redirects here. For the virus, see Poliovirus. Not to be confused with poliosis, a condition of the hair being or becoming white or grey. Poliomyelitis Classification and external resources A man with an atrophie …
76DNA methylation — Illustration of a DNA molecule that is methylated at the two center cytosines. DNA methylation plays an important role for epigenetic gene regulation in development and disease. DNA methylation is a biochemical process that is important for… …
77AIDS — For other uses, see AIDS (disambiguation). Acquired immunodeficiency syndrome (AIDS) Classification and external resources …
78Influenza — Flu redirects here. For other uses, see Flu (disambiguation). This article is about the disease influenza. For the family of viruses that cause the disease, see Orthomyxoviridae. Influenza Classification …
79History of biology — For the video game, see History of Biology (video game). The frontispiece to Erasmus Darwin s evolution themed poem The Temple of Nature shows a goddess pulling back the veil from nature (in the person of Artemis). Allegory and metaphor have… …
80Gene-centered view of evolution — The gene centered view of evolution, gene selection theory or selfish gene theory holds that natural selection acts through differential survival of competing genes, increasing the frequency of those alleles whose phenotypic effects successfully… …
