Scientists are a step closer to explaining one of the most enduring mysteries of modern biology; why are there males and females?
Evolution
Dec 19, 2011
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(PhysOrg.com) -- Oxitec, a British company spun off from Oxford University has announced the results of its field test of genetically altered mosquitoes to combat the infamous dengue fever. As they report in their paper published ...
(PhysOrg.com) -- Recently an eastern diamond-backed rattlesnake gave birth to 19 offspring; not exactly headline news, except for the fact that the female had been separated from any male snakes for five years. What’s ...
It is not the superior genes of the father, but the mother's resource investment in the eggs that makes Zebra Finch males particularly attractive. A Swiss-Australian research team lead by evolutionary ecologists at the University ...
Plants & Animals
Sep 29, 2011
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It's all about the grandkids! That's what a team led by an Indiana University biologist has learned about promiscuous female birds and why they mate outside their social pair.
Plants & Animals
Aug 31, 2011
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The great desert burrowing skink, a lizard living on the sandy plains of Central Australia, has been discovered to live in family groups within elaborately constructed tunnel complexes. Published in PLoS One, researchers ...
Plants & Animals
May 11, 2011
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Females can be too attractive to the opposite sex -- too attractive for their own good -- say biologists at UC Santa Barbara. They found that, among fruit flies, too much male attention directed toward attractive females ...
Plants & Animals
Dec 8, 2009
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The world's largest species of monkey 'chooses' mates with genes that are different from their own to guarantee healthy and strong offspring, according to a new research study.
Evolution
Nov 24, 2009
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The great diversity of male sexual traits, ranging from peacock's elaborate train to formidable genitalia of male seed beetles, is the result of female choice. But why do females choose among males? In a new study published ...
Plants & Animals
Oct 22, 2009
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A new study has revealed that mother birds can provide an early advantage to the chicks that they have sired with their non-social partner (known as extra-pair offspring).
Plants & Animals
May 14, 2009
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