This is a hyperbolic pseudosphere—made with nothing more than yarn and a crochet hook. Hyperbolic geometry describes surfaces that are negatively curved. If you're enjoying this article, consider ...

Sometimes when opportunity knocks, the timing is off. Then it begs the question whether you should jump at it, or wait, hoping it'll come back to your door later at a more favorable time. In 2016, ...

Thread is out and skin is in, according to the latest (and weirdest) in medical textiles from France. Researchers say they’ve successfully created yarn from human skin cells in an achievement that ...