Plant artificial micro-RNAs (amiRs) have been engineered to target viral genomes and induce their degradation. However, the exceptional evolutionary plasticity of RNA viruses threatens the durability of the resistance conferred by these amiRs. It has recently been shown that viral populations not experiencing strong selective pressure from an antiviral amiR may already contain enough genetic va...

The objective of this study was to determine the repeatability of ranking Holstein-Friesian heifers reared in an Australian pasture-based production system for immune responses (IR) when ranking was based on secondary versus tertiary IR. Further objectives were to investigate associations between IR and stress responsiveness, ADG and resistance to internal parasites. A total of 100 heifers were...

Governmental systems and administrative organizations in Iran have been always in change throughout history. A position which was necessary in some centuries and was counted as an important governmental position was “Amirdadi”. The person who held this post was called Amir-e dad or Mirdad. Lexicographers have mentioned several different tasks for Amir-e dad. Some believe they are th...

A SILICON IMPLEMENTATION OF A NOVEL MODEL FOR RETINAL PROCESSING Kareem Amir Zaghloul

LEARNING ON A GENERAL NETWORK Amir F. Atiya Department of Electrical Engineering California Institute of Technology Ca 91125 This paper generalizes the backpropagation method to a general network containing feedback t;onnections. The network model considered consists of interconnected groups of neurons, where each group could be fully interconnected (it could have feedback connections, with pos...

This article describes the life and work of great Zahiriddin Muhammad Babur, a descendant Amir Temur, genealogical history Babur meaning name “Babur”.