Pins and needles start out as long coils of steel wire. Over a process that lasts days, they're snipped, straightened, sharpened, and cleaned. And finally, they become needles. Pins are made similarly ...

Considering that sewing is supposedly a relaxing pastime, isn’t it odd that the very first step in the process – threading the sewing needle – is so difficult? That’s exactly what Minnesota inventor, ...

To understand what’s going on with a patient, doctors may take a biopsy—a sample of tissue extracted from a suspicious lump, for example. Fine needles are typically used for this purpose, in a ...