Two species of damselfish may look identical -- not to mention drab -- to the human eye. But that's because, in comparison to the fish, all of us are essentially colorblind. A new study reveals that ...

They brighten our days with their sunny, vibrant and summery feel. But as it turns out sunflowers are not just pretty to look at, they also have a hidden feature that may offer clues as to how plants ...

Figure 1: Size of the floral UV bullseye increases with proximity to the Equator in silverweed cinquefoil (A. anserina). Figure 3: Optimal UV bullseye size increases in the presence of ambient UV. We ...

We know that there's a whole spectrum of different wavelengths of light beyond the puny band of visible light we humans can see. And we knew that some animals, like certain species of fish and birds, ...

Seen in the right light, yellow reef fish become spotty pains in the tail fin. Members of one damselfish species use facial patterns of speckles and swooshes to identify the fish species they ...