Most dollar bills really are just worth a dollar, but a tiny printing quirk on some notes has turned pocket change into a serious payday. The most dramatic example is a specific serial number mistake ...

This collection of handmade gift ideas for the family makes it easy to give something thoughtful and personal. With 40 creative projects for adults, teens, and kids, each idea includes a full tutorial ...

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 ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Thomas J Catalano is a CFP and Registered Investment Adviser with the state of ...

A central pattern generator (CPG) is a neuronal network in which interconnected excitatory and inhibitory neurons produce an oscillating, rhythmic output in the absence of sensory feedback. CPGs play ...

Pattern formation is the developmental process by which cells acquire different identities, depending on their relative spatial positions within the embryo. Pattern formation ensures that tissues and ...