It has been suggested that in the interplanetary medium Alfven waves may be significantly amplified or damped during large solar proton events. This implies the increase or decrease of the ambient magnetic fluctuations in ...
.Calvo, P.; Olmo, J. L.(Sociedad Mexicana de Historia Natural, 2001)
The oxytriehide hypotrich, Pseudouroleptus caudatus Hemberger, 1985 was found in sediment samples from the Guadarrama river (Central Spain). Its morphology, infraciliature, morphogenesis and reorganization has been studied, ...
Ring-shaped bodies are found in the nucleus of Lacandonia schismatica, a rare plant with the sexual organs inverted. They are 0.5-mum-diameter structures that present an electron-dense external ring surrounding a central ...