Carol Lubick, who regularly attends Petritz’s classes, agrees that she comes for the camaraderie and to stay active ... said she admires Quinn’s positive attitude. “She’s extremely ...

Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...

It may seem logical that both a false negative and false positive should be avoided. If the presence of a disease is missed, treatment may be delayed and real harm may result. If someone is told they ...

The four main blood types indicate whether you have (or don’t have) A or B antigens: Blood types are described as being positive (+) or negative (-). This is based on the presence or absence of a ...

A gate-based RFID attendance system with a real-time dashboard that tracks the number of people entering a building, enabling efficient monitoring and access control.