In cooperatively breeding species, the level of investment in young can vary substantially.Despite receiving considerable research attention, how and why investment in young varies with cooperatively breeding group members remains unclear.To investigate the causes of variation in care of young, we assessed patterns of both helper and parental behav
Today, the tourism industry has been considered as one of the important sources of income in the global economy.Religious tourism is one of the divisions of the tourism industry in which the Muslim world especially in Iran is important.Qom- a city with religious, cultural, historical, and natural capabilities- as the Incarnational Religious Base of
Rheumatoid arthritis (RA) leads not only to a rapid development of disability, but can influence the life of these patients.One-third of patients with rheumatoid arthritis may have signs of disability during the first 3 years of the onset of the disease, while mortality in patients with RA almost two times higher in comparison with the general popu