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 ...

The "Hyperbolic Crochet Coral Reef" exhibit is now on view in Natural History's Sant Ocean Hall. Eric Long, SI The Natural History Museum's Baird Auditorium showcases scientists and performers from ...

Knitting and crocheting are not only fun and relaxing crafts, but they also may be functional or veer into the artistic realm. A group of 20 knitters from Lancaster Yarn Shop's Thursday Night Knitting ...

This fall, a different kind of coral reef will be on display in the National Museum of Natural History's Ocean Hall. It's not made out of the calcium carbonate skeletons of living coral. It's made out ...

The crinkled edges of a lettuce leaf curve and expand in a shape that has perplexed mathematicians for centuries. Those curves -- an example of a high-level geometry concept called the hyperbolic ...

On a Thursday night in Ithaca, New York, Daina Taimina, an ebullient blond mathematician at Cornell University, sits at her kitchen table with her husband, David Henderson, a Cornell professor of ...

Visit most college math classes and you’ll probably see students punching numbers into high-end calculators or sketching diagrams on graph paper. If you’d dropped in on a course at McDaniel College ...

Mathematicians often comment on the beauty of their chosen discipline. For the non-mathematicians among us, that can be hard to visualise. But in Prof Caroline Series’s field of hyperbolic geometry, ...