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Evolutionary Consequences of Infidelity in Birds: Can Extra-Pair Relationships Give Rise to Sexual Dimorphism?
April 2, 2013 — Male and female blue tits are hard to distinguish for the human observer. However, in the UV-range, visible to birds, the male is much more colourful. A closer look at the monogamous mating system of ... > full story -
Female Students Just as Successful as Males in Math and Science, Asian-Americans Outperform All
March 29, 2013 — While compared to men, women continue to be underrepresented in math and science courses and careers. Is this disparity a true reflection of male and female student ability? According to a new study, ... > full story -
Mate Choice in Mice Is Heavily Influenced by Paternal Cues, Mouse Study Shows
March 28, 2013 — Hybrid offspring of different house mice populations show a preference for mating with individuals from their father's original ... > full story -
Fewer Children Mean Longer Life?
March 27, 2013 — New research into aging processes, based on modern genetic techniques, confirms theoretical expectations about the correlation between reproduction and lifespan. Studies of birds reveal that those ... > full story -
Researchers Discover How Model Organism Tetrahymena Plays Roulette With Seven Sexes
March 26, 2013 — It's been more than fifty years since scientists discovered that the single-celled organism Tetrahymena thermophila has seven sexes. But in all that time, they've never known how each cell's sex, or ... > full story -
Why Sticking Around Is Sometimes the Better Choice for Males
March 26, 2013 — Researchers have been able to provide one answer as to why males in many species still provide paternal care, even when their offspring may not belong to them. The study finds that, when the ... > full story -
Functional Ovarian Tissue Engineered in Lab
March 26, 2013 — A proof-of-concept study suggests the possibility of engineering artificial ovaries in the lab to provide a more natural option for hormone replacement therapy for ... > full story -
Nature Versus Nurture: Better Looking Birds Have Healthier Babies, Study Finds
March 24, 2013 — A female great tits' (Parus major) appearance is shown to signal healthy attributes in offspring in a new paper. The black stripe across her breast and white patches on her cheeks correlate to a ... > full story -
For the First Time Iberian Lynx Embryos Are Collected and Preserved
March 22, 2013 — A pioneering procedure in felines allows the collection of biological material from Iberian lynx females before castration. The preserved biological material of the lynxes will be used in future ... > full story -
Maternal Diabetes Impairs Methylation of Imprinted Gene in Oocytes
March 20, 2013 — For the first time, researchers have shown that poorly controlled maternal diabetes has an adverse effect on methylation of the maternal imprinting gene Peg3, contributing to impaired development in ... > full story
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