6 research outputs found
Continuous Distribution of Atypical Depressive Symptoms between Major Depressive and Bipolar II Disorders: Dose-Response Relationship with Bipolar Family History
Seasonal Variation in Length-weight Relationship, Condition Factor and Biological Indices of Snow Trout, Schizothorax esocinus (Heckel, 1838) Inhabiting River Jhelum of Kashmir Himalaya
Does age at onset support a dimensional relationship between Bipolar II disorder and major depressive disorder?
Ammonoid Intraspecific Variability
Because ammonoids have never been observed swimming, there is no alternative to seeking indirect indications of the locomotory abilities of ammonoids. This approach is based on actualistic comparisons with the closest relatives of ammonoids, the Coleoidea and the Nautilida, and on the geometrical and physical properties of the shell. Anatomical comparison yields information on the locomotor muscular systems and organs as well as possible modes of propulsion while the shape and physics of ammonoid shells provide information on buoyancy, shell orientation, drag, added mass, cost of transportation and thus on limits of acceleration and swimming speed. On these grounds, we conclude that ammonoid swimming is comparable to that of Recent nautilids and sepiids in terms of speed and energy consumption, although some ammonoids might have been slower swimmers than nautilids