News tagged with male genitalia
Duda, where'd my spines go?
UC researcher finds that when it comes to hooking up with the opposite sex, genital complexities do matter.
Jan 07, 2010 |
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Researchers reveal secrets of duck sex: It's all screwed up
Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...
Dec 23, 2009 |
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Genital stimulation opens door for cryptic female choice in tsetse flies
Manipulation of male and/or female genitalia results in a suite of changes in female reproductive behavior in tsetse flies, carriers of African sleeping sickness.
May 14, 2009 |
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Search results for male genitalia
Shape, fit of reproductive organs evolve quickly and in concert, leaving size behind
Believed critical for determining which individuals can -- or cannot -- successfully reproduce with each other, genitalia not only figure prominently in the origin of new species, but are also typically the ...
Dec 15, 2011 |
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Parasite lives 'double life'
(PhysOrg.com) -- Scientists keen to understand and preserve global biodiversity have been quietly going about a mammoth task: indexing the world’s known species.
Nov 10, 2011 |
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A living species of aquatic beetle found in 20-million-year-old sediments
The fossil beetle discovered in the 16-23 million years old sediments of the Irtysh River in southern Siberia belongs to the modern species Helophorus sibiricus, a member of the water scavenger beetles (Hydro ...
Other Sciences / Archaeology & Fossils
Oct 06, 2011 |
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Parents feel shock, anxiety and the need to protect children with genital ambiguity
Parents of babies born without clearly defined male or female genitals experience a roller-coaster of emotions, including shock, anxiety and the need to protect their child, according to a study in the October issue of the ...
Sep 28, 2011 |
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Bijou's abnormally large clitoris leads to big surprise
Bijou is an 18-month old French bulldog that appears perfectly normal at first glance. She is healthy and her behavior is exemplary. However, her owner brought her to the Université de Montréal Faculty ...
Sep 22, 2011 |
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Stimulation of female genital regions produces strong activation of various brain sites
A new study published in The Journal of Sexual Medicine reveals that for the first time, stimulation of the vagina, cervix, or clitoris was shown to activate three separate and distinct sites in the sensory cortex.
Medicine & Health / Neuroscience
Sep 12, 2011 |
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Missing DNA helps make us human
A new study demonstrates that specific traits that distinguish humans from their closest living relatives – chimpanzees, with whom we share 96 percent of our DNA – can be attributed to the loss of chunks of DNA ...
Mar 09, 2011 |
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Hidden pornographic poems explain 'bestseller' success of C18 poetical volumes
An Oxford University academic has explained the secret behind the success of two of the best selling volumes of poetic miscellanies in the 18th Century – a series of pornographic poems were hidden at ...
Feb 04, 2011 |
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For ever and ever: When the wedding flight never ends
German entomologists have now "resurrected" the fossil insect Mengea tertiara. Using high resolution micro-computer tomography the anatomy of an extinct insect was completely reconstructed three-dimensionally ...
Other Sciences / Archaeology & Fossils
Jan 07, 2011 |
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Brain gene makes a female develop as a male
Australian scientists have discovered that changes to a gene involved in brain development can lead to testis formation and male genitalia in an otherwise female embryo.
Dec 22, 2010 |
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List of search results for male genitalia
