9. Aristophanes vögel 299. 300

Bursters a 1742 - 294 and Slx 1744 - 299 / 300 near the Galactic Center

We present a study of two X-ray bursters in the Galactic Center field with the ART-P telescope onboard GRANAT. During 1990-1992 approximately 100 X-ray bursts were detected from the Galactic Center field and most of them were identified with the two persistent sources, A1742-294 and SLX1744-299/300. The burst recurrence times were found to be ∼ 2.4 and ∼ 4.6 hours, respectively, which is signif...

Aristophanes on Tragedy

Fifty years before Aristotle wrote his Poetics, Aristophanes had devoted two comedies, Thesmophoriazusae (411) and Frogs (405), to the subject of tragedy. In both plays the plot shows the education of the main character in the nature of tragedy. Euripides learns in Thesmophoriazusae that he must present noble and not base women in his dramas. His depiction of perverse women in the theatre had m...

The Ionian at Aristophanes

Tcus668938 299..321

National curricula need to change drastically to comply with the competences needed for the 21 century. In this paper eight frameworks describing 21 century competences were analysed. A comprehensive search for information about 21 century competences was conducted across the official websites of the selected frameworks, resulting in 32 documents that were analysed in detail. Travers and Westbu...

Pns1300128 299..309

A well-functioning immune system is key to providing good defence against pathogenic organisms and to providing tolerance to non-threatening organisms, to food components and to self. The immune system works by providing an exclusion barrier, by identifying and eliminating pathogens and by identifying and tolerating non-threatening sources of antigens, and by maintaining a memory of immunologic...