Have you ever wanted to see all the people online around the world, in one map? It's your lucky day: You can thank Ralph Straumann and Mark Graham of the Oxford Internet Institute for this map ...

Now, you can zoom around this huge, detailed map of the ancient world labeled with cities from all sorts of archaeological records, classical text references and European imagery ...

Around the world, there are about 62,500 power plants operating today. That includes everything from coal-fired plants to hydroelectric dams to wind farms. But where are all these plants?