Team milestones, Badges from projects, congratulations to members regarding personal achievements (such as User Of The Day project awards, or reaching specific targets). Also topics about GRC (Gridcoin) rewards.
Collatz conjecture is a research project that uses Internet-connected computers to do research in mathematics, especially testing the presumption Collatz also known as HOTPO 3x +1 or (half or three plus one). You can participate by downloading and running a free program on your computer.