The oldest leech ever discovered has turned out to be a shape shifter of expectations, preserving a body plan that looks nothing like the streamlined bloodsuckers that haunt horror movies and hospital ...

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 ...

Need a better way to plan projects? Discover mind map examples that help you visually organize tasks, ideas, and strategies ...

While SIMPLE IRAs are in some ways similar to their cousins, traditional and Roth IRAs, they also share some features with workplace retirement plans such as 401(k)s. Understanding your plan's rules ...

For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

Have you ever tipped all the stray bits of solder out of your tip cleaner by mistake? [MisterHW] is here with a bit of paraffin wax to save the day. Hand soldering can be a messy business, especially ...