Cocoa Tutorials

Cocoa is the programming API for developing Mac OS X applications.

I've been meaning to learn Cocoa for a while. Now that I have access to a Mac at home, I can finally dip my hands in some hot Cocoa.

Check out this tutorial by Drew McCormack for a nice, helpful intro, especially if you're a scientist working with a Mac.

Also, don't forget to check out Apple's tutorial on Cocoa and Objective C.