Retro slot machines began as mechanical devices with fixed reel motion. They relied entirely on physical components rather ...

According to Thomas Kuhn, the scientific progress of any discipline could be distinguished by a pre-paradigm phase, a normal science phase and a revolution phase. The science advances when a ...

Vredefort Dome, approximately 120 km south-west of Johannesburg, is a representative part of a larger meteorite impact structure, or astrobleme. Dating back 2,023 million years, it is the oldest ...

Robert Stammer, CFA, is the former director of investor engagement at CFA Institute and writes on thought leadership in the investment management industry. Charlene Rhinehart is a CPA , CFE, chair of ...

Estimate your retirement savings with NerdWallet's free 401(k) calculator. Enter your contributions and employer match to get started. Many, or all, of the products featured on this page are from our ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Erika Rasure is globally-recognized as a leading consumer ...

Invest in stocks or mutual funds depending on research preference and time availability. Allocate assets based on age, investing more in stocks when younger and in bonds as you age. Open a brokerage ...

Global healthcare spending is $9.8 trillion annually, with the U.S. accounting for about $4.9 trillion. Investors can consider drug, medical device, payer, and healthcare provider stocks. Focus on ...

Stop losing users to messy layouts. Bad web design kills conversions. Bento Grid Design organises your value proposition before they bounce.