Christina Majaski writes and edits finance, credit cards, and travel content. She has 14+ years of experience with print and digital publications. Robert Kelly is managing director of XTS Energy LLC, ...

Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.

What is an exclamation mark? Sentences that end in an exclamation mark are used to show intense feelings or get attention. You can use an exclamation mark ! to show when your sentence is saying ...

Indicator species are living organisms that tell us that something has changed or is going to change in their environment. They can be easily observed, and studying them is considered a cost-effective ...

Word choice can have a massive impact on your writing. Words are like ingredients: even a small change in the recipe can affect the finished dish. "They had a warm laugh" But what if "they had a ...