If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

PERHAPS the reviewer should have made it plainer that the difficulty he stated at the top of p. 303 is not admitted by those morphologists who have ceased to believe that the germ layers afford any ...

THE most important criticism in the review on May 13 of “The Origin of Vertebrates,” by Dr. W. H. Gaskell, is based on a dogmatic view as to the fundamental distinctness of the germ layers and their ...

Gaurave Batta and his wife Leyna have always been into sports and fitness. But with two small kids at home and Gaurave running his own business intelligence consulting company, they needed a solution ...

The town of Harmony, Mississippi, which owes its origins to a small number of formerly enslaved Black people who bought land from former slaveholders after the Civil War, is nestled in Leake County, a ...

In 2012, Professor Rom Harré defined positioning theory as being “… based on the principle that not everyone involved in a social episode has equal access to rights and duties to perform particular ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Amanda Jackson has expertise in personal finance, investing, and social services ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Cognitive dissonance is a term for the state of discomfort felt when two or more modes of thought contradict each other. The clashing cognitions may include ideas, beliefs, or the knowledge that one ...