The most famous packing problem concerns spheres. In 1611, the astronomer Johannes Kepler proposed that the densest way to ...

Regulatory and disruptive variants in the CLCN2 gene are associated with modified skin color pattern phenotypes in the corn snake. Genome Biology, 2025; 26 (1) DOI: 10.1186/s13059-025-03539-0 ...

Sydney, Newcastle, Orange, Bathurst and Dubbo have a long history with pattern books. The earliest documented architectural pattern books arrived in Australia in 1810.

Download this Soccer Jersey Pattern Design Random Straight Line Pattern On Orange Background For Soccer Kit Football Kit Sports Uniform T Shirt Mockup Template Fabric Pattern Abstract Background ...

Modern and trendy background. Halftone design with a lot of small square dots and beautiful color gradient. This illustration can be used for your design, with space for your text (colors used: Red, ...

Tigers may be orange, but their prey don't see them that way. Here's why it doesn't matter that these giant cats are brightly colored.

For instance, the adult monarch sports a bright orange color and distinctive pattern, a red flag to potential predators that it's distasteful and toxic.

Photo by Jeff Mitton. Black swallowtail adults are sexually dimorphic, meaning that they have different color patterns--their ventral wing surfaces and their bodies are the same but their dorsal ...

The uptick in Orange County snake sightings in 2017 is the result of storms that battered the region in January and February. Jason Magee, owner of OC Snake Removal in Anaheim Hills, says calls fo… ...