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Where food is limited, guppy mothers gestate their young longer

October 12, 2017

Trinidadian guppy mamas can’t swap links to maternity blogs or copies of pregnancy books, yet evolution has made…
Mother-daughter conflict between killer whales can explain the evolution of menopause

January 17, 2017

An international research team, from the Universities of Exeter, Cambridge and York (UK), the Center for Whale Research…
The great tit, Parus major, does better in the countryside

September 3, 2016

Great Tits are synanthropes who have followed humans into large cities. A team led by Philipp Sprau at…
For females, a little semen may go a long way

March 4, 2016

Females of some species might obtain additional resources from semen, apart from sperm to fertilise their eggs, and…
Their enemy’s sex pheromone helps flies protect their offspring

December 18, 2015

Females of the vinegar fly Drosophila melanogaster show an especially strong response to the odour of their most…
A whale of a migratory tale: A mother whale’s cultural traditions shape the genetics of her offspring

November 11, 2015

An international team lead by Macquarie researchers has found that the migratory behaviour of endangered southern right whales,…
High stress during pregnancy decreases offspring survival, according to mongoose study

November 2, 2015

Researchers studying banded mongooses in Uganda have discovered that pups born to females that experienced elevated stress hormones…
Semen secrets: How a previous sexual partner can influence another male’s offspring

October 2, 2014

Scientists have discovered a new form of non-genetic inheritance, showing for the first time that offspring can resemble…
Does Singld Out, a gene-based dating service, pass the sniff test?

September 10, 2014

‘Smells like life-long partnership … with just a hint of sweat.’ opactiy/Flickr, CC BY-NC-ND Singld Out, an online dating service…
Scientists wipe out malaria-carrying mosquitoes in the lab by creating male-only offspring

June 11, 2014

Scientists have modified mosquitoes to produce sperm that will only create males, pioneering a fresh approach to eradicating…
Female pigs can recognise the sex of sperm and influence the sex of their offspring

May 22, 2014

Female pigs’ reproductive systems recognise whether a sperm will produce a boy or a girl before it reaches…
Study brings greater clarity to sex roles

April 15, 2014

Sexual stereotypes revealed by the red junglefowl.   Glossy magazines and TV reality shows often portray males as…
Scientists identify factors limiting hybridization of closely-related woodrat species

March 28, 2014

This photo shows a woodrat emerging from its den at dusk. The small tags in each ear indicate…
Male-female communication at conception shapes the health of offspring, study says

January 28, 2014

Seminal fluid and offspring metabolic health. Left panel shows normal placental development and progeny weight in the presence…
Sexual selection enhances ability of offspring to cope with infection

January 24, 2014

Choosing the right partner is essential for the health and survival of offspring. Credit: Kerstin Thonhauser/Vetmeduni Vienna Offspring…
Father’s diet before conception plays crucial role in health of his offspring, study suggests

December 11, 2013

This image reveals skull abnormalities in mice whose fathers did not have sufficient folate in their diets. Credit:…
Male guppies with the rarest colour patterns preferred by females

October 31, 2013

Colour pattern variation in male guppies- males with rare colour patterns acquire more mates and have more offspring.…
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