Click and drag the marker to where you think Angola is on this map of the world. When you drop it, the answer will appear, and you’ll see how your guess compares with everyone else who has played.

How it works: developing a new ‘isoscape’ for Angola The team’s “isoscape” map of Angola. Strontium is an element present in soil that comes in several different chemical forms, called isotopes. The ...

Angola Map Game: Here are the resultsBy Migration | [email protected] UPDATED: April 24, 2016 at 7:17 p.m. This is unsurprising: 39% of those who played last month’s map game got it right. Here ...