(Phys.org) —Sex determining genes in marsupials have shed some light on how the Y chromosome, which determines the male sex in humans, will quickly degenerate and eventually disappear, according to a world-renowned evolutionary ...
Biotechnology
Apr 3, 2013
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(Phys.org)—Social networks can be used to describe the sexual interactions in animal populations and reveal which individuals are directly competing in the 'mating game', according to new Oxford University research.
Plants & Animals
Jan 22, 2013
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Female animals are unfairly sexually stereotyped by researchers, according to experts at the University of St Andrews.
Plants & Animals
Mar 1, 2013
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An experimental evolutionary study on house mice (Mus musculus) has found multiple mating is beneficial for both males and females.
Plants & Animals
Nov 24, 2011
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What do you get when you dissect 10 000 fruit-fly larvae? A team of researchers led by the European Molecular Biology Laboratory in the UK and the Max Planck Institute of Immunobiology and Epigenetics (MPI) in Germany has ...
Biotechnology
Jul 19, 2012
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Coryphodontids, are a group of extinct large herbivorous mammals widespread in Eurasia and North America from late Paleocene to middle Eocene, placed in the archaic, extinct order Pantodonta, and are among the most useful ...
Archaeology
Aug 9, 2012
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(PhysOrg.com) -- Older dogs and male dogs are better hunting companions than younger dogs and female dogs says the author of a new study on the hunting ability and nutritional status of domestic dogs in lowland Nicaragua. ...
Plants & Animals
Jan 18, 2012
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Auditory systems differ between sexes in sparrows depending on the season, a Georgia State University neuroscientist has found. The work adds to our knowledge of how the parts of the nervous system, including that of humans, ...
Plants & Animals
Dec 10, 2012
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The observation that males appear to be superior to females in some fields of academic study has prompted a wealth of research hoping to shed light on whether this is attributable to nature or nurture. Although there is no ...
Social Sciences
Apr 4, 2013
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(Phys.org) —When presented with a bevy of beauties, male meal moths - the scourge of many a household pantry - will prefer to invest in sex over self-preservation, according to researchers.
Plants & Animals
Jun 7, 2013
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