presented to the world in french academy of science on 1839, photography foundations were laid centuries ago. as documents suggest, the invention of photography was not the outcome of creativity and efforts of an individual or a group of people, but the result of a need by the people living in a specific geographical territory, sharing the same concerns. in fact, the foundations of photography ...

This study evaluated the effect of the intermittent light program on serum and brain melatonin concentrations, antioxidant enzyme activities, and homocysteine concentration in broiler chickens. A total of 60 one-day-old broiler chickens (Cobb 500) were distributed in three light-proof controlled rooms (20 chicks per room). All birds were reared in continuous light until 3 days of age. Then, chi...

iran is one of the main date (phoenix dactylifera) producing countries in the world. however, little information is available on the pollen viability and favorable storage conditions of iranian male date cultivars. this study was conducted to estimate the best in vitro pollen germination of three male date palm cultivars, `ghanami’, `samsmavi’ and `gheibani’ using various doses of boric acid (0...

If a distinctive event is amid other, non-distinctive events, often the memory for the item that immediately precedes the distinctive one is severely impaired. One explanation is that memory for the preceding items is reduced because when the priority item is detected all attentional resources are directed to it and the encoding of the preceding item is prematurely disrupted. Because perceptual...

PURPOSE To determine the efficacy and safety of the dark-room prone-position test (DRPT) for intermittent angle closure (IAC) and to investigate the correlation between A-scan ultrasound biometric measurements and the results of DRPT. METHODS Medical records were reviewed of 37 eyes in 24 patients who were diagnosed with IAC and received DRPT. The increase of intraocular pressure (IOP) induce...

As China is the only country in the Far East world in which Jews have continually lived for over 1,000 years, "Chinese Judaism" -referring to the religious belief and practices of those Jews who had lived or are now living in China -is unique. Within this long history, a significant distinction must be made. Jews who came before modern times, before 1840, became part of Chinese society almost w...