The top diseases include honey fungus, rose black spot, pear rust, and slim flux By WILIAM HUNTER Published: 12:59 EDT, 12 March 2024 | Updated: 13:00 EDT, 12 March 2024 ...

More than 70 years ago, mathematician Alan Turing proposed a mechanism that explained how patterns could emerge from bland uniformity. Scientists are still using his model—and adding new twists ...

However, the most common pad spot on the Engelmann’s prickly pear in the Arizona desert is caused by a species of the fungus Phyllosticta. The disease is found throughout the desert.

There’s a reason fashion designers look to animal prints for inspiration. Creatures have evolved a dizzying array of patterns: stripes, spots, diamonds, chevrons, hexagons and even mazelike designs.