A long-term study of the links between climate and marine life along the rapidly warming West Antarctic Peninsula reveals how changes in physical factors such as wind speed and sea-ice cover send ripples up the food chain, with impacts on everything from single-celled algae to penguins.
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Extraordinary co-operation by sociable weavers, which work together to build the largest nests in the world, is motivated by family ties, say scientists.
New research, published in Ecology Letters, says the birds, which are found throughout southern Africa, are more likely to maintain the communal part of the nest if they have relatives living nearby.
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Un estudio realizado por el Servicio Geológico Británico y la Agencia de Medio Ambiente revela que casi todos los sitios de petróleo y gas shale en Inglaterra y Gales tienen acuÃferos subyacentes de agua potable, aumentando los temores de que podrÃa contaminarse el agua.
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Scientists at Stanford University recently unveiled a new modeling program that can predict the response of the environment to the land-use changes of human communities. Using their model, they found that natural resources can support humanity – up to a certain point. They recently published their findings in the journal Environmental Modelling & Software.
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Recently scientists from the Zoological Society of London and Yale University assessed the world's 9,993 bird species according to their evolutionary distinctiveness and global extinction risk. At number three on the list is the Critically Endangered California condor (Gymnogyps caliÂfornianus) - weighing as much as 25 pounds, standing over four foot tall, with a wingspan of almost 10 feet, it is the largest land bird in North America.
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