Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

President Donald Trump has been threatening to invoke the Insurrection Act for a very long time. Dating back to his first term, he has repeatedly floated the rarely used law, which gives a president ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Kristina Byas is contributor at Investopedia. As a personal finance expert, she has lent her insights and knowledge to numerous financial publications. Her articles have helped readers navigate the ...

Winter brings snowstorms, plummeting temperatures and a heating bill that can easily burn through your budget if you aren't careful. According to a recent CNET survey, 78% of adults are stressed about ...

Dry skin, also called xerosis, can feel tight, rough, scaly, or itchy even when you moisturize regularly. It becomes more common with age. Oily buildup, harsh cleansers, overwashing, hot showers, ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...