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Ancient wild horses help unlock past

An international team of researchers has used ancient DNA to produce compelling evidence that the lack of genetic diversity in modern stallions is the result of the domestication process.

dateAug 23, 2011 in Plants & Animals
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Cuckolded males sing louder

The song of male songbirds is multifaceted and has two main functions: to repel rivals and to attract mates. Females often pay attention to certain features within a song, such as the presence of special ...

dateAug 23, 2012 in Plants & Animals
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Are elder siblings helpers or competitors?

Having elder siblings decreases mortality risk in childhood, but same-sex elder siblings are associated with lower marriage rates and fewer children for their younger siblings in adulthood, according to the ...

dateNov 22, 2012 in Social Sciences
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First supper is a life changer for lizards

For young lizards born into this unpredictable world, their very first meal can be a major life changer. So say researchers who report evidence on July 3 in Current Biology, a Cell Press publication, that t ...

dateJul 03, 2013 in Plants & Animals
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Battle of the sexes offers evolutionary insights

In a paper published May 3, in the journal Evolution, University of Cincinnati graduate student Karl Grieshop and Michal Polak, associate professor of biological sciences at UC, examine the role of genita ...

dateMay 03, 2012 in Evolution
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