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Academic Journals
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From:Yale Law Journal (Vol. 118, Issue 8) Peer-ReviewedThis Note considers the moral status of practices that facilitate parental selection of sperm donors according to race. Arguments about intentions and consequences cannot convincingly explain the race-conscious design...
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From:CMAJ: Canadian Medical Association Journal (Vol. 184, Issue 7) Peer-ReviewedTrent Arsenault's website could easily be mistaken for an online dating profile. There, the 36-year-old Silicon Valley high-tech worker describes his appearance (blond hair, brown eyes), personality ("happy, easy...
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From:Gravitational and Space Biology (Vol. 13, Issue 2) Peer-ReviewedABSTRACT The spermatozoids of lower plants have long been recognized as remarkably complex motile gametes. Spermatozoids differ markedly from the other gametophyte cells that surround or give rise to them. Their...
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From:CMAJ: Canadian Medical Association Journal (Vol. 182, Issue 3) Peer-ReviewedOn the website privatesperm .com, a 48-year-old civil engineer/ songwriter/composer/music producer named Randy, who describes himself as having genius-level intelligence, offers his sperm to Canadian women who want to...
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From:PLoS ONE (Vol. 16, Issue 1) Peer-ReviewedThe aims of this project were to characterize tiger salamander (Ambystoma tigrinum) spermatozoa motility over time, when excreted as either milt or spermic urine prior to packaging into a spermatophore, and to determine...
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From:Canadian Urological Association Journal (Vol. 16, Issue 11) Peer-ReviewedIntroduction: The aim of the study was to examine the protective efficacy of astaxanthin (ASTA) against the damage that occurs during sperm cryopreservation. Methods: This experimental study was carried out on waste...
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From:PLoS ONE (Vol. 18, Issue 3) Peer-ReviewedThe relationship between male ejaculate traits and reproductive success is an important consideration for captive breeding programs. A recovery plan for the endangered Louisiana pinesnake includes captive breeding for...
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From:Family Practice News (Vol. 31, Issue 9)With sperm banks in Canada short of legal tender, Canadians are reportedly turning to the United States to fill the, uh, void. Testing requirements for sperm donation in Canada are among the most rigorous in the world,...
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From:The Hastings Center Report (Vol. 28, Issue 1) Peer-ReviewedA lawsuit was recently settled between Legacy Emanuel Hospital in Portland, Oregon, and Robert Eubanks, Jr., who claims to have deposited his sperm in their facility. This past November a jury awarded Eubanks $1.25...
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From:Canadian Journal of Zoology (Vol. 90, Issue 10) Peer-ReviewedThe swim-up technique is a clinical practice used to select highly motile sperm cells from patient ejaculates to use in assisted fertilization. The aim of this study was to investigate whether the length of different...
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From:Harvard Review (Issue 51)Within an hour most of the five million sperm from a man's ejaculate are dead . O little hounds of Delphi. O dew of youth. This one carried ancient fear and sorrow. It chewed its wormy lips. This one was God's...
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From:Nigerian Medical Journal (Vol. 55, Issue 6) Peer-ReviewedByline: I. Umoh, O. Emmanuel, V. Nna Background: Following the high rate of consumption of Cola nitida (cola nut) among the male population in Nigeria, this study seeks to determine the effects of consumption of Cola...
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From:Canadian Journal of Zoology (Vol. 90, Issue 11) Peer-ReviewedWe investigated the possible effects of sperm interactions and homogenized eggs on sperm velocity in blue mussels (Mytilus edulis L., 1758) using computer-assisted sperm analysis. To test whether sperm competition...
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From:Poetry (Vol. 196, Issue 4) Peer-ReviewedBecause Yosemite's high altitude lake's tadpoles wash up in glow-in-the-dark condoms and every fish lip has a hook in it. Because there's bird shit in the clouds. Things catch, get caught. Things are consumed. There's...
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From:Bulletin of the South Carolina Academy of ScienceDebates on how sperm morphology should be evaluated and how it relates to the areas of assisted reproductive technology are nothing new. Even though computer assisted semen analyzers have the capability of rendering...
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From:The Futurist (Vol. 33, Issue 9) Peer-ReviewedDeveloped countries may see widespread infertility, falling birthrates. The average sperm count - the number of individual sperm in a given volume of semen - of men in the United States and Europe has plummeted by...
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From:Science (Vol. 252, Issue 5003) Peer-ReviewedNew findings suggest that the human eggs sends a chemical signal to the sperm when it is ready to be fertilized THE DANCE OF SPERM AND EGG REMAINS ONE of the great mysteries of human reproduction, as dimly understood...
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From:American Scientist (Vol. 84, Issue 3)Sperm whales and elephants share a host of striking similarities in addition to heft and intelligence. The social structures of both mammals are maternally-oriented consisting of about 10-12 individuals in a unit. The...
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From:PLoS ONE (Vol. 7, Issue 3) Peer-ReviewedAuthor(s): Leah Armon 1 , S. Roy Caplan 1 , Michael Eisenbach 1 , Benjamin M. Friedrich 2 , 3 , * Introduction Chemotaxis refers to biased motion of cells or organisms in a concentration gradient of an external...
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From:PLoS ONE (Vol. 8, Issue 3) Peer-ReviewedAuthor(s): José O. Carvalho 3 , * , Luciano P. Silva 2 , Roberto Sartori 3 , Margot A. N. Dode 1 , 4 , * Introduction Since the discovery by Painter [1] that sperm cells carry either an X or Y chromosome, there...