Operant learning is a process by which a specific behavioural response (such as a lever press) is associated with a biologically salient stimulus known as a reinforcer (such as food). The dorsomedial ...

For anyone with silvery strands, having the best gray hair toners on hand (or, more accurately, in the shower) is a pro move. “From a professional standpoint, gray hair behaves much more like blonde ...

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Valerie is a seasoned writer and editor who has spent her career creating content in the parenting and women's wellness spaces. Before joining Forbes Health, Valerie was the trending news editor at ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

While a sudsy shampoo followed by a conditioner may be the wash day default, certain hair types — specifically curly or textured hair — may benefit more from a co-wash (shorthand for “conditioning ...

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. While a sudsy shampoo followed by a conditioner may be ...

Mascara is considered a staple in numerous makeup bags for good reason. It enhances the natural beauty of your eyelashes, making your eyes pop and giving you a more awake and put-together look. The ...