Prairie dogs pull up stakes and look for a new place to live when all their close kin have disappeared from their home territory—a striking pattern of dispersal that has not been observed for any other species. This is ...
Plants & Animals
Mar 7, 2013
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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 results of a long-term ...
Social Sciences
Nov 22, 2012
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Extreme 'housework' cuts the life span of female Komodo Dragons
Plants & Animals
Oct 17, 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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