But as obvious as this understanding of luck seems, science suggests it’s actually wrong. While pure chance certainly plays a hefty role in the course of our lives, there are significant differences ...

In 350 BC, Aristotle reported seeing illusory movement after staring at a constantly moving stimulus. Later coined the "waterfall illusion," scientists are still investigating the properties of motion ...

There are four types of medical anesthetics used by medical professionals, depending on what type of procedure you are having. Share on Pinterest Santi Nuñez/Stocksy United Anesthesia is used to ...

U.S. investors seeking to accomplish financial goals by investing in securities generally have access to four types of investment accounts—brokerage accounts, Individual Retirement Accounts (IRAs), ...

Recent research reveals that women exhibit four distinct types of sexual fluidity, which differentially correlate with other aspects of women’s sexuality. What is sexual fluidity? Researcher Lisa ...

A hypersensitivity reaction happens when the immune system mistakenly identifies harmless substances as harmful. There are several types of hypersensitivity reactions, depending on the class of ...

Colostomy procedures can help with managing several conditions, including diverticulitis and colon cancer. There are four main types, each suited to different scenarios. A colostomy is a type of ...