How politics shapes the world’s time zones
National identities and rivalries still drive changes
A visual guide to critical materials and rare earths
What are they, how are they used and where are they found?
Six charts show the impact of Obamacare
Did it live up to its promises?
Lessons from the happiest countries in the world
What’s their secret?
Ten indicators explain what’s going on with America’s economy
A look at the impact of Trumponomics, as revealed by data
Which countries are most vulnerable to Donald Trump’s aid cuts?
In one country American aid is the equivalent of almost 350% of the government’s health spending