What is Earth Day and why is it celebrated today, 22 April?

Over 50 years ago an environmental disaster got the ball rolling to create an event that would finally address an issue so ...

What is the 25th Amendment? When was it last invoked? Here's how it works

Several lawmakers, Democratic and Republican, have called for the 25th Amendment to be invoked against Donald Trump. But what is it?

What Is Claude Mythos—And Why Anthropic Won’t Let Anyone Use It

Anthropic Built an AI So Good That It Won’t Let Anyone Use It. Here’s Everything You Need to Know About Claude Mythos.
Investopedia

Excise Tax: What It Is and How It Works, With Examples

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has ...
Digital Trends

Perplexity’s Personal Computer: What is it, what can it do, and what does it cost?

At its inaugural Ask 2026 developer conference — held inside a former church in San Francisco’s North Beach — Perplexity unveiled Personal Computer, a cloud-based AI agent designed to function as a ...

Operating Margin: What It Is and Formula

A company's operating margin is the profit it makes on a dollar of sales after accounting for the direct costs involved in earning the revenue.

What Is Square? Pricing, Features & How It Works

Learn what Square is, how it works, and its pricing. Explore features, fees, and tools for payments, POS, and online selling ...