In our present issue we publish two articles in which the value of a complement-fixation test in early diagnosis of kala-azar is stressed. The antigen used is that of Witebsky, Klingenstein and Kuhn prepared from the tubercle bacillus, and originally intended for complement-fixation tests in tuberculosis. In tuberculosis, however, the results are very poor. Work in South America, however, revea...

Glyphosate is the world’s most used and controversially debated herbicide. Its approval in European Union (EU) expiring 2022. At time of its last procedures EU 2016/2017, there was a heated public debate Germany about carcinogenic risk glyphosate. In this context, Munich Environmental Institute published study which concluded were chemical residues glyphosate 14 most-popular German beers. artic...

Abstract. Trace gas transport in the lower stratosphere is investigated by analysing seasonal and inter-annual variations of the age of air spectrum – the probability distribution of stratospheric transit times. Age spectra are obtained using the Lagrangian transport model CLaMS driven by ERA-Interim winds and total diabatic heating rates, and using a time-evolving boundary-impulse-response (BI...