Nature speaks to theoretical physicists to explore the real theories that inspired the hit series. Warning: contains spoilers ...

Consumer theory examines how consumers allocate income and make purchasing decisions. All economic activity takes place within the context of limitations. Consumers, therefore, need to make trade-offs ...

Now in its ninth year, our annual poll showcases 255 vital video essays, nominated by 72 international voters.

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Doretha Clemons, Ph.D., MBA, PMP, has been a corporate IT executive and professor for 34 ...

Elizabeth Blessing is a financial writer and editor specializing in growth investing, high-yield stocks, small caps, and gold investing. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA ...

Lisa Whitmore is a writer and editor with over 20 years of experience. She's held roles at publications such as Marie Claire, Glamour, CosmoGIRL, and more. William Truswell, MD, FACS, operates his own ...

You respect anyone who wants to get Botox (or other injectables, like fillers), but you’re not there yet yourself. Maybe you’ll never get there because you can’t deal with needles, or the price tag ...

Julia is the associate news editor for Health, where she edits and publishes news articles on trending health and wellness topics. Her work has been featured in The Heights, an independent student ...