Virtual Villagers Tips & Tricks, Walkthroughs, Guides, Hints and HelpLast Day of Work Official Forums: Virtual Families, Virtual Villagers, Fish Tycoon
You need to have 2nd level in a certain tech, and then take a villager and look around on the ground for something new... from there, you'll prob be able to figure it out. If not, check the guides in the Guides Section of the forum