Extreme humidity and triple-digit temperatures are affecting around 250 million people across the United States. Here's the science behind the heat dome that’s stifling the nation. A sunbather rests ...

Cost basis is the original purchase price of an asset. Tracking cost basis is key to tax-efficient investing. Many, or all, of the products featured on this page are from our advertising partners who ...

Your body can hold extra water if you eat salty foods or more carbs, making your weight go up. After exercise, muscles might keep extra water as they heal, causing a slight weight increase. Not ...