To sync with iCal:
1. Go to Timeline.
2. Hit the blue "Add-to-Calendar" button.
3. Chose the Category you'd like to subscribe to.
4. Select iCal.
5. After your iCal pops up, select "Subscribe."
6. Make changes to notifications / calendar's name if desired.
7. Hit "OK."
Here's a demo video on how to sync with iCal: