Birds come in a wide variety of colors. Some feature relatively dull plumage, while others sport brightly colored feathers.

Lydia has something much more dramatic in mind: to paint the town red (or “cardinal,” to give reason to the play’s title), so it becomes an urban curio to visit. ADVERTISEMENT If Jeff seems ...

The male cardinal in this video clip is not very subtle as he checks out a female - read our analysis of this behavior.

Here, we introduce a new family of coumarin-based fluorophores, nicknamed COUPY, with promising photophysical properties, including emission in the far-red/near-infrared (NIR) region, large Stokes ...

Like the fire you set to this bud, its hairs are a vivid and bright red. And the bud is so peppered with these striking hairs, the bud looks almost entirely red, like a juicy strawberry.