Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

Many people know that some animals have more than two eyes, but the variety and function of these extra eyes might surprise you. From reptiles with a hidden “third eye” that senses light, to insects ...

Need to scan, copy, or fax, in addition to printing? An AIO printer is what you want. Find the right multifunction machine based on our in-depth reviews and expert advice. Most of my current work for ...

For situations where you don’t have your full tool kit by your side, jump into action like a real-life MacGyver using a multitool. These handy pocket-size companions have come a long way from the ...

Overview: Multivitamins are used to help meet nutritional needs if you do not get enough vitamins and minerals from the things you eat and drink. The active ingredients in multivitamins can vary based ...

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 ...