Since the 1950s, many countries have tried to discourage tobacco use and bring down smoking rates. Here’s where they haven’t worked.
From tropical rainforests to the sandy deserts of North Africa, the world’s wettest and driest countries are a study in contrasts.
What does the global precipitation map look like if we split it in two, one half with below average rainfall and the other above?
Thousands of languages are spoken globally, but they aren't evenly dispersed. Here's a look at countries with the most linguistic diversity.
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