Obesity is a growing problem worldwide. Overeating is obviously a factor, yet it’s not the root cause. The cause is psychological, or more specifically, a lack of self-discipline exacerbated by depression. The depression is temporarily lessened by more food, thus creating a vicious circle, which is rarely broken without external help. Behaviour modification through personal coaching is a successful method for treating this problem.

More people than ever are making on-camera presentations. Some of these productions are professional and impressive. Most are haphazard and uninspiring. What separates the two is just a little inside knowledge and a lot of practice. This article explains why so many on-camera presentations fail and reveals the trade secrets of the top presenters.

Advances in biomedical engineering make daily life considerably better for millions of people. Active medical implants like heart pacemakers are life-saving examples of this technology. Unfortunately, most of these devices have a significant drawback: batteries that need regular recharging and eventual replacement. That may be about to change. Soon the natural fluids within our own bodies are expected to provide all the power the implants need for as long as we live.

We all have computer data we want to keep private or at least restrict access to. Yet, few of us employ strong security measures to do so. We may use passwords and occasionally encryption, but we rarely opt for the much more secure method called information rights management (IRM). This 610-word article explains why IRM is valuable, how it works and what its limitations are.

Understandably, fear has negative connotations for most of us. It’s unpleasant, sometimes very, and doesn’t seem to serve any useful purpose. Yet, fear is indispensible to the survival of all animals including humans. Ironically, unlike in other animals, for many humans fear provokes major illnesses and frequently causes death. This 934-word article (with cited reference sources) examines the complex biological mechanism behind fear and suggests methods to ward off its deadly side effects.

Most people never heard of zombie cookies and believe that using reputable anti-malware software and blocking third-party cookies guarantees their online privacy. It doesn’t. Even highly regarded companies – the ones we think we can trust – use surreptitious tricks to snoop on us in the guise of doing us a favor. This 723-word article examines the particularly insidious threat of zombie cookies – a device most computer users are victims of, yet few ever heard of.