If you are a parent, teacher, or policymaker, the annual release of exam results brings a familiar sense of anxiety. For ...

Abstract: A new matrix product, called semi-tensor product of matrices, is reviewed. Using it, a matrix expression of logic is proposed, where a logical variable is expressed as a vector, a logical ...

Abstract: Pulse Width Modulation (PWM) switch modeling offers an effective and simplified framework for analytical modeling of DC-DC converters. This systematically synthesizes both DC and ...

Preparation for medical school in the 21st century should reflect contemporary developments in medical knowledge, the pace of discovery, and the permeation of biochemistry, cell biology, and genetics ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Barrels of oil equivalent per day (BOE/D) standardizes oil and natural gas ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Gene expression is the generation of a functional gene product from the information encoded by a gene, through the processes of transcription and translation. Gene products are often proteins, however ...

Expression systems are genetic constructs (a gene encoded by DNA) that are designed to produce a protein, or an RNA (ribonucleic acid), either inside or outside a cell. Expression systems are used in ...

A new poll shows that the president’s voters are happy with his muscular foreign-policy moves in the Western Hemisphere. But perhaps for a limited time only. The big department stores are disappearing ...

When reviewing academic records from a school outside the U.S., we assess whether the applicant has reached an academic level equivalent to a U.S. bachelor's degree. The following are some of the ...

Institute of Mathematics, Academy of Mathematics and System Sciences, Chinese Academy of Sciences, Beijing 100190, P. R. China School of Mathematics, University of Chinese Academy of Sciences, Beijing ...