Fentanyl and xylazine test strips are small strips of paper people can use to test drugs or certain substances to see if they ...

This keeps your fold line straight. Apply the glue in strokes from the fold line out towards the paper's edge - this prevents the strips from scrunching. Take your time to make the shape you want.

Mathematics owes a lot to games, and vice versa. There is an engaging little exercise with strips of paper which has fascinated some first-class brains in recent years. It was discovered in an ...