A thought experiment can help visualize the challenge of achieving distinctive color patterns. Imagine gently adding a drop of blue and red dye to a cup of water. The drops will slowly disperse ...

Or animals might need additional tricks to transport the morphogens across tissues, or to make patterns sharp and crisp. Scientists also see dizzyingly complex instances where Turing patterns are ...

Nature follows mathematical rules and creates repeating patterns across completely different organisms and environments. These patterns appear so consistently that scientists can predict them, and ...

Scientists normally explain the spectacular diversity of animal patterns by pointing to genetics. But a study in Nature suggests that, at least for crocodile heads, different forces might be at play.

In the natural world—where predators pounce, prey flee, and group members feed and sleep in solidarity—animal behavior is glorious in its variety. Now, new research suggests there may be an underlying ...

Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add this ...

Mark C Urban receives funding from the U.S. National Science Foundation. The Douglas fir is a tall iconic pine tree in Western North America forming a forest that winds unbroken from the Western spine ...

Muir and Osborne (Knit Your Own Dog, Knit Your Own Cat) have once again assembled a collection of irresistible knitted animals. This book does exactly what it says it does, offering patterns for a ...