It can be dangerous to go without sleeping, even for a day. Longer-term sleep deprivation can cause cognitive impairment, hallucinations, and other side effects. The longest recorded time without ...

Workplace diversity affects the development of interpersonal relationships, how supervisors and managers interact with staff and how employees relate to each other, the University of Florida says.

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 ...

Abstract: Optical aberration is a ubiquitous degeneration in realistic lens-based imaging systems. Optical aberrations are caused by the differences in the optical path length when light travels ...

Pain in your descending colon might be caused by conditions like constipation, diarrhea, or inflammatory diseases. You should see a healthcare provider if you have abdominal pain, bloody stools, or ...