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  2. Sex differences in human physiology - Wikipedia

    en.wikipedia.org/wiki/Sex_differences_in_human...

    The human brain. Differences in male and female brain size are relative to body size. [85] Early research into the differences between male and female brains showed that male brains are, on average, larger than female brains. This research was frequently cited to support the assertion that women are less intelligent than men.

  3. Sexual dimorphism - Wikipedia

    en.wikipedia.org/wiki/Sexual_dimorphism

    In Olympic weightlifting, male records vary from 5.5× body mass in the lowest weight category to 4.2× in the highest weight category, while female records vary from 4.4× to 3.8×, a weight-adjusted difference of only 10–20%, and an absolute difference of about 30% (i.e., 492 kg vs 348 kg for unlimited weight classes; see Olympic ...

  4. Canine reproduction - Wikipedia

    en.wikipedia.org/wiki/Canine_reproduction

    The male is allowed to sniff a female in estrus. Experienced studs cooperate readily in the process. New studs often require encouragement in the form of manual stimulation. [43] Generally the male will mount the female, and the collector quickly directs the male's penis into the latex sleeve. The male ejaculates and the semen is collected in ...

  5. Women, dog kicked off Amtrak train in viral video - AOL

    www.aol.com/women-dog-kicked-off-amtrak...

    On 12/22/22, at approximately 10:50 a.m., officers with the Grand Junction Police Department responded to a call from personnel with Amtrak, requesting assistance with removing a passenger and dog ...

  6. Videos of Dog Reacting to Livvy Dunne’s Gymnastics Skills ...

    www.aol.com/lifestyle/videos-dog-reacting-livvy...

    Gymnastics star Livvy Dunne recently captured one of these heartwarming moments, delighting fans on TikTok with a video of her dog, Roux, playfully getting in on the action.

  7. XY sex-determination system - Wikipedia

    en.wikipedia.org/wiki/XY_sex-determination_system

    The idea is instead of having a simplistic mechanism by which you have pro-male genes going all the way to make a male, in fact there is a solid balance between pro-male genes and anti-male genes and if there is a little too much of anti-male genes, there may be a female born and if there is a little too much of pro-male genes then there will ...

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  9. Neuroscience of sex differences - Wikipedia

    en.wikipedia.org/.../Neuroscience_of_sex_differences

    The ideas of differences between the male and female brains have circulated since the time of Ancient Greek philosophers around 850 BC. In 1854, German anatomist Emil Huschke discovered a size difference in the frontal lobe , where male frontal lobes are 1% larger than those of females. [ 6 ]