I first met my friend and co-worker Tory Parsons in the autumn of 1972 when I first visited Penn State University . We had several long mathematical discussions and I visited him at his home and met his "boss" and "epsilons" which, if I remember right, were quite small at that time . We shared a common interest in graph theory in general and in Ramsey theory in particular . He wrote a nice surv...

sheikh bahaee is one of the greatest scientists and literary men of the islamic world. he has valuable writing and works in different fields. sheikh bahaee was a poet speaking arabic and persian very well. he also wrote poems in both languages. one of the most well-known poems of his the ode -alfaoz walaman fe madhe sahebe zaman- which consists of 63 verses dedicated to the praise of amam mahde...

T Old Masters were never wrong about suffering, wrote W.H. Auden. They understood how it takes place, “While someone else is eating or opening a window or just walking dully along” (1). Auden was referring to the work of Pieter Bruegel the Elder, which dwelled on suffering, along with labor and merrymaking, the lot of simple folk. He painted them with such dedication it earned him the title “Pe...

A new book of pictures by Robyn Stacey, one of Australia’s finest photographers, published by Cambridge University Press, is a first of its kind. Stacey, along with writer Ashley Hay, throws open the doors of the National Herbarium of New South Wales at the Royal Botanic Gardens, Sydney, to reveal the secret history of Australia’s flora. Herbarium tells the stories about the nature of collectin...

Recently a new class of hot subluminous stars strongly enriched in C and O have been discovered (CO-sdOs). These show abundances very similar to those observed PG1159 but at lower temperatures. Moreover, it has recently suggested that enrichment might be the key ingredient driving pulsations He-rich subdwarf (He-sdBVs). Here we argue these two types rare can explained by variant one main channe...

In this exclusive interview, Dr. Robert K. Logan talks about the past, present, and future of book reader from a Media Ecology perspective. He describes influences that internet, World Wide Web social media exert on readers consequently formats books. The interview is focused his library: electronic to digital media, which was originally co-authored with Marshall McLuhan in late 1970s. work hal...

reviewed in A. Pais’s books about Einstein and Bohr (Pais IN 1963, Sydney Brenner wrote a letter to Max Perutz 1982, 1991). Einstein had finished his major efforts and about the future of research at the MRC-LMB. He worked more or less by himself, even while in Berlin, said, “. . . The entry of large numbers of Americans and although he was an astute and responsive listener. Bohr other biochemi...

Dr David Livingstone died on May 1st 1873. He was 60 years old and had spent much of the previous 30 years walking across large stretches of Southern Africa, exploring the terrain he hoped could provide new environments in which Europeans and Africans could cohabit on equal terms and bring prosperity to a part of the world he saw ravaged by the slave trade. Just days before he died, he wrote in...

One of the oldest and most pleasant and efficient kinds of poetry, which have attracted the attention of scholars and lovers of poetry since the beginning of the Persian poetry until now, is elegy. Khaghani Shervani is one of the poets who wrote after this genre and composed many memorable and beautiful elegies. The poet, who like many other people experienced happy and sad events and occasions...