In terms of design, I've been working on some logos for Brain Injury Australia. It's an organisation that advocates on behalf of those with acquired brain injuries (ABIs). An ABI is any physical damage to the brain that occurs after birth, and its symptoms range from almost nothing to full blown amnesia. Scary stuff.
Anyway, their website is (currently!) very, very ugly. It can only get better from here!
So - we're recquired to have three concepts to present tomorrow. The first two came fairly easily:

This one is based on PET scans of an active brain.

They are uses as a therapeutic and diagnostic tool for people with ABIs.
The last one was a real struggle! I'd run out of ideas to work on; some were funny, some were distasteful, most of them were terrible. And then I came up with this: