Uniparental inheritance of mitochondria enables organisms to avoid the costs of intracellular competition among potentially selfish organelles.By preventing recombination, uniparental inheritance may also render a mitochondrial lineage effectively asexual and expose mitochondria to the deleterious effects of Muller’s ratchet.Even among animals an
Cholera outbreak in a village in south India – Timely action saved lives
Summary: Cholera remains a public health concern in developing countries because of its high morbidity and mortality.This study was designed to assess the magnitude of and factors responsible for an outbreak in a South Indian village and to implement measures for containing and preventing the recurrence of such outbreaks.Data was obtained by survey
Quantification of Discontinuities in Welded Joints Using Gamma Tomography
Gamma tomography was used in this work to evaluate the recurrent defects in welding processes in naval steel popularfilm.blog sheets.It was used a first-generation equipment consisting of a source of Cesium-137, with activity of the order of 200 mCi, coupled to a Thallium-doped Sodium Iodide detector, NaI (Tl).For the study, specimens were produced