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Elemental factors and ecology
The identification of general connections between the chemical composition of organisms and the laws of ecosystem function and structure is an increasingly present objective in the current agenda of ecology. For this reason we consider the ratio among the main elements (carbon, nitrogen and phosphorus)...
Quality of life in Cushing's syndrome
Excessive production of cortisol in Cushing's syndrome leads to physical and psychological health consequences (obesity, muscle weakness, bruising, lack of libido, depression...). After successful medical treatment cortisol levels are normalized, but patients don't recover a good quality...
Fossil horse teeth show climatic change
Researchers from the Institut Català de Paleontologia and Utrecht University have analyzed the tooth enamel of fossil horse teeth dating from 11 to 2 million years ago near Teruel, Daroca and Valencia. Changes in the proportion of light and heavy oxygen isotopes in the teeth suggest...
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