News tagged with evolutionary origins

Darwin's Tree of Life May Be More Like a Thicket

(PhysOrg.com) -- In On The Origin of Species, Darwin used the image of a tree of life to illustrate how species evolve, one from another. Even today, branches sprouting from lower branches (representing ancest ...

dateJan 27, 2009 in weblog
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The origins of laughter

We know the benefits of laughter on health. But why do we laugh? What are the evolutionary origins of laughter and humour? Steven Légaré has asked these questions and has made them the subject of his master's ...

dateMar 27, 2013 in Social Sciences
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Wolves are able to follow a human's gaze

Following others' gaze direction is an important source of information that helps to detect prey or predators, to notice important social events within one's social group and to predict the next actions of ...

dateFeb 23, 2011 in Plants & Animals
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