Mating and Breeding News
September 24, 2016

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More Mating and Breeding News
September 24, 2016

Sep. 23, 2016 — In the female dog, cells of the uterus can accumulate lipid droplets to form so-called foamy epithelial cells during late metoestrus. These cells produce a hormone that is involved in the ... read more

Cannabinoid Receptor Activates Spermatozoa

Aug. 30, 2016 — Biologists have detected a cannabinoid receptor in spermatozoa. Endogenous cannabinoids that occur in both the male and the female genital tract activate the spermatozoa: they trigger the so-called ... read more

Aug. 30, 2016 — New research has resolved a mystery over why female fiddler crabs visit and leave many males during mating season, and found the females aren't just being ... read more

Female Mosquitoes Can Transmit Zika Virus to Their Eggs, Offspring

Aug. 30, 2016 — Female Aedes aegypti mosquitoes can pass the Zika virus to their eggs and offspring, new research shows. The recent Zika virus outbreak in Florida has dramatically increased efforts to remove A. ... read more

Aug. 23, 2016 — Often, aquatic environments such as rivers and streams become reservoirs for BPA, affecting turtle habitats. Last year, a team of researchers determined that BPA can disrupt sexual function in ... read more

Aug. 18, 2016 — By calling to their eggs, zebra finch parents may be helping their young prepare for a hotter world brought on by climate ... read more

Aug. 18, 2016 — Across the animal kingdom there is a strong trend for females to be more caring parents. Why? Researchers have now expanded upon previous theories to better explain why mothers and fathers differ in ... read more

Aug. 17, 2016 — Researchers have found a specific kind of neuron only in male mice that detects a pheromone in female urine. But the sex difference is not hard-wired. By manipulating the mice's living ... read more

Climate Change Alters the Rules of Sperm Competition in the Sea

Aug. 17, 2016 — Increasing ocean acidification, brought about by humanmade carbon emissions, reduces sperm performance in a species of sea urchin, say scientists. The impact of climate change on global seawater ... read more

Aug. 16, 2016 — Biologists studying a small, colorful fish in the Mediterranean Sea have discovered a new way in which a female can choose the best father for her offspring. During spawning of the ocellated wrasse, ... read more

Aug. 15, 2016 — If you are a male barn swallow in the United States or the Mediterranean with dark red breast feathers, you're apt to wow potential mates. But if you have long outer tail feathers in the United ... read more

Aug. 15, 2016 — The balmy waters of the Caribbean could turn into a deadly heat trap for countless tiny creatures. Authors of a new study have discovered that microscopic sea urchin eggs and larvae may suffer ... read more

Male and Female Cats Respond Differently to Distressed Kittens

Aug. 12, 2016 — Female domestic cats adjust their response to kitten calls depending on how urgent they sound, according to a study. Independent of their own experience of raising kittens, female cats distinguish ... read more

Surveys of Corn, Soybean Fields Reveal Implications for Pollinator Conservation

Aug. 11, 2016 — What kind of insect pollinators are commonly found in corn and soybean fields? The answer to that question can be found in a new article, say researchers who used modified pan traps to compare the ... read more

Aug. 10, 2016 — What really came first -- the chicken or the egg? Birds' reproductive biology is dramatically different from that of any other living vertebrates, and scientists have long wondered how and when ... read more

Looking Different to Your Parents Can Be an Evolutionary Advantage, at Least in Plants

Aug. 8, 2016 — Looking different to your parents can provide species with a way to escape evolutionary dead ends, according to new ... read more

Aug. 4, 2016 — Researchers reveal how they used chicken blood to rear larvae of the fly Philornis downsi, an invasive species that parasitizes birds in the Galapagos Islands. The new method may be the first to ... read more

Aug. 3, 2016 — Researchers have discovered the molecular mechanism by which queen honeybees carefully control worker bees' ... read more

Aug. 2, 2016 — A male-harming DNA mutation has been discovered in Drosophila that demonstrates that the 'mother's curse' -- the possibility that moms may transmit genes to their children that harm ... read more

Origins of the Female Orgasm Explained

Aug. 1, 2016 — Female orgasm seems to be a happy afterthought of our evolutionary past when it helped stimulate ovulation, a new study of mammals ... read more

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