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Ravens, crows, magpies and their relatives are known for their exceptional intelligence, which allows them to solve complex problems, use tools or outsmart their conspecifics. One capability, however, that we humans value highly, seems to be missing from their behavioral repertoire: generosity. Only very few species within the crow family have so far been found to act generously in experimental paradigms, while the highly intelligent ravens, for example, have demonstrated their egoistic tendencies in multiple studies. Lisa Horn of the of the Department of Behavioral and Cognitive Biology of the University of Vienna can now demonstrate, together with Jorg Massen of Utrecht University and an international team of researchers, that the social life of corvids is a crucial factor for whether the birds benefit their group members or not. View the full article -
NOAA has published a peer-reviewed State of the Monument report that was jointly produced by the co-trustees of Papahānaumokuākea Marine National Monument. The report includes information on the status and trends of living resources, habitats, ocean conditions, maritime and cultural archaeological resources, and the human activities and natural events that affect them. View the full article
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By ScienceDaily · Posted
Chemicals that haven't been manufactured in the U.S. for years or even decades are still turning up in the bodies of migratory terns in the Great Lakes region, a new study finds. The research focused on three types of compounds: PBDEs, PCBs, and the breakdown products, called metabolites, of DDT. View the full article -
Scientists from the University of Bristol and the Royal Veterinary College have discovered how birds are able to fly in gusty conditions—findings that could inform the development of bio-inspired small-scale aircraft. View the full article
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On the southern exterior wall of the Dome of the Rock, a very important Islamic shrine in Jerusalem's Old City, there are two marble slabs, both carved from the same stone and placed side by side to form a symmetrical pattern, that depicts two birds. In a recent article published in the Journal of Near Eastern Studies, "Solomon and The Petrified Birds on the Dome of the Rock," author Elon Harvey explores the history of this marble decoration and describes how different narratives about Solomon and two birds contributed to the multiple understandings of this imagery. View the full article
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