For much of his early life, Claudio Neves Valente appeared destined for an exceptional scientific career. Raised as the only child of a well-to-do family in central Portugal, he excelled academically ...

Self-control—or the ability to manage one's impulses, emotions, and behaviors to achieve long-term goals—is what separates humans from the rest of the animal kingdom. Self-control is primarily rooted ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Haley Perry Haley Perry is ...

Apple, Google, and Microsoft all offer free parental control apps or settings to help you keep your kids safer online. We walk you through the benefits and drawbacks of each. I review privacy tools ...

Control theory is a branch of mathematics and engineering, which defines the conditions needed for a system to maintain a controlled output in the face of input variation. Classically developed for ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Ellen Lee Ellen Lee is a ...

Greg DePersio has 13+ years of professional experience in sales and SEO and 3+ years as a writer and editor. 10,000 Hours / Getty Images A controller is a senior financial professional who manages a ...