Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas ...

Practical examples and exercises help learners apply concepts to real-world projects Updated 2025 editions ensure relevance for modern science, engineering, and research tasks MATLAB is used ...

Cognitive dissonance happens when you hold two conflicting thoughts in your mind at the same time — like loving both hamburgers and cows. Cognitive dissonance is a theory in social psychology first ...

Anna Nordseth is an ecology writer and Duke University Ph.D. candidate specializing in tropical forest ecology, conservation research, and biodiversity. Boreal forests, or taiga, are found between 50 ...

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 ...

A food web is a detailed interconnecting diagram that shows the overall food relationships between organisms in a particular environment. The simplest explanation is that food webs are "who eats whom" ...

A retrovirus is a virus that works by converting its own RNA into DNA once it is in a host cell. It then integrates this DNA into the DNA of the host cell, allowing the virus to replicate. Three ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Customers walk into a Walmart and know they have permission to grab a shopping cart, walk down ...

Capital investments fund long-term assets crucial for business operations and growth. High capital investment often indicates a robust economy; low investment may signal economic concern. Investors ...

Profit maximization seeks to find new methods to increase net revenue for a business, often without relying on increased demand or changing sales prices – although these are also viable strategies. As ...

Some examples of narcissistic behavior include inflating one’s accomplishments to gain praise, ignoring other people’s feelings, and deliberately taking credit for someone else’s work. Narcissistic ...