Qi was able to show that another chemical messenger called acetylcholine can trigger dopamine release in the bird’s brain ...

From singing to dancing to sculpture, do animals make art? It could be argued that the making of sculptures or courtship displays have a very specific purpose, that of seduction.

I saw hooded mergansers on Sugar Creek, which is outside of Troy. I knew before long we would be seeing many species of ducks. All waterfowl migrate. It is believed that most waterfowl return to mate ...