You probably have one sitting a few feet away, tossed beside rubber bands, takeout menus, and spare keys. It looks harmless, ...

Discover how to transform everyday objects into useful energy devices in this exciting DIY science project. Learn ...

Melissa Lambarena is a senior writer on the credit cards team at NerdWallet. She has enthusiastically covered credit card-related topics for over nine years. Her prior experience includes nine years ...