News tagged with females
Perfume ads, beer billboards, movie posters: everywhere you look, women's sexualized bodies are on display. A new study published in Psychological Science, a journal of the Association for Psychological Science, finds that b ...
Psychology & Psychiatry May 15, 2012 | 3.5 / 5 (23) | 5 |
The perception that women are scarce leads men to become impulsive, save less, and increase borrowing, according to new research from the University of Minnesota's Carlson School of Management.
Psychology & Psychiatry Jan 12, 2012 | 3.8 / 5 (11) | 6 |
A new study has looked into how our psychology concerning war and conflict may have been shaped by our evolutionary past.
Psychology & Psychiatry Jan 24, 2012 | 4.3 / 5 (6) | 7
Scientists at the Universities of Birmingham and Warwick have shed new light on how sperm navigate the female reproductive tract, 'crawling' along the channel walls and swimming around corners; with frequent collisions.
Medical research May 07, 2012 | 4.8 / 5 (5) | 1 |
(Medical Xpress)—Red-faced men are feeling flush with the revelation that women find rosy cheeks attractive.
Psychology & Psychiatry Oct 09, 2012 | 4.4 / 5 (5) | 5 |
For the first time, Massachusetts General Hospital (MGH) researchers have isolated egg-producing stem cells from the ovaries of reproductive age women and shown these cells can produce what appear to be normal egg cells or ...
Medical research Feb 26, 2012 | 5 / 5 (4) | 1 |
Scientists are beginning to understand one of life's enduring mysteries - why women live, on average, longer than men.
Genetics Aug 02, 2012 | 5 / 5 (4) | 0 |
New research led by researchers at North Carolina State University shows that exposure to the chemical bisphenol A (BPA) early in life results in high levels of anxiety by causing significant gene expression changes in a ...
Medical research Sep 07, 2012 | 5 / 5 (4) | 0 |
(Medical Xpress)—A bird listening to birdsong may experience some of the same emotions as a human listening to music, suggests a new study on white-throated sparrows, published in Frontiers of Evolutionary Ne ...
Neuroscience Dec 27, 2012 | 5 / 5 (4) | 11 |
Most genes associated with psychiatric illnesses are expressed before birth in the developing human brain, a massive study headed by Yale University researchers discovered. In addition, hundreds of genetic differences were ...
Genetics Oct 26, 2011 | 5 / 5 (3) | 1 |
The pulse quickens, the heart pounds and adrenalin courses through the veins, but in stressful situations is our reaction controlled by our genes, and does it differ between the sexes? Australian scientists, writing in BioEssays, believ ...
Genetics Mar 07, 2012 | 5 / 5 (3) | 0 |
Reconstructive surgery after female genital mutilation (FGM) appears to reduce pain and restore sexual pleasure in women, according to the first large prospective trial to assess long-term outcomes of a new surgical technique ...
Surgery Jun 11, 2012 | 5 / 5 (3) | 0
Prenatal exposure to bisphenol A, or BPA, a chemical found in many common plastic household items, can cause numerous genes in the uterus to respond differently to estrogen in adulthood, according to a study using a mouse ...
Health Jun 26, 2012 | 5 / 5 (3) | 0 |
Macho men whose partners earn more than they do have worse romantic relationships, in part because the difference in income is a strain for them, according to a new study by Patrick Coughlin and Jay Wade from Fordham University ...
Psychology & Psychiatry Jul 17, 2012 | 5 / 5 (3) | 0
on purpose – quicker than their male counterparts, and live a more sedentary life than they do, according to a study by the University of Vigo. Results show that 56.1% of female students are considered binge drinkers, as ...
Health Dec 28, 2012 | 3.8 / 5 (4) | 2
Female (♀) is the sex of an organism, or a part of an organism, which produces mobile ova (egg cells). The ova are defined as the larger gametes in a heterogamous reproduction system, while the smaller, usually motile gamete, the spermatozoon, is produced by the male. A female individual cannot reproduce sexually without access to the gametes of a male (an exception is parthenogenesis). Some organisms can reproduce both sexually and asexually.
There is no single genetic mechanism behind sex differences in different species and the existence of two sexes seems to have evolved multiple times independently in different evolutionary lineages. Other than the defining difference in the type of gamete produced, differences between males and females in one lineage cannot always be predicted by differences in another. The concept is not limited to animals; egg cells are produced by chytrids, diatoms, water moulds and land plants, among others. In land plants, female and male designate not only the egg- and sperm-producing organisms and structures, but also the structures of the sporophytes that give rise to male and female plants.
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