For three years, Duke student Alejandro Pietrek has bravely grappled with some unusual marauders of the forests and steppes of Patagonia: invasive beavers. A biology graduate student, Pietrek recently presented his dissertation ...
Ecology
Dec 14, 2015
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(Phys.org)—A small group of researchers working in conjunction with the Smithsonian Tropical Research Institute in Panama has found that for at least one type of ant, the specialization hypothesis appears to apply regarding ...
Parasites, lack of food, cold snaps, pesticides, and poor management all can stress honeybee colonies, making it difficult to pin their collapse on a single source. However, in controlled field tests, honeybee colonies show ...
Plants & Animals
May 16, 2014
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One of the hottest debates in evolutionary biology concerns the origin of behaviour: is it genetically encoded or do animals and birds copy their parents or other individuals? A classic experiment published in 2000 seemed ...
Plants & Animals
Feb 25, 2014
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The sizes of organisms following mass extinction events may vary more than previously thought, which may be inconsistent with the predictions of the so-called 'Lilliput effect,' according to a study published in PLOS ONE ...
Ecology
Feb 5, 2014
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Cities have long been likened to organisms, ant colonies, and river networks. But these and other analogies fail to capture the essence of how cities really function.
Mathematics
Jun 20, 2013
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(PhysOrg.com) -- How does size affect the organization and physiology of superorganisms such as bacterial communities, insect colonies or human cities? James Waters and Tate Holbrook, graduate students in the School of Life ...
Plants & Animals
Jan 26, 2011
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