A new visual by World Visualized highlights the countries with the highest average testosterone levels, measured in nanograms per deciliter (ng/dl).

Since the 11 September 2001 attacks, US air power has been used repeatedly across multiple regions under both Republican and Democratic administrations. The map summarises where airstrikes, drone strikes or missile attacks were carried out, but the underlying record shows continuity rather than exception.

Nigeria, Africa’s most populous nation, is now giving birth to more babies each year than all of Europe plus Russia combined, a milestone that reflects profound global demographic change.

More than 20 countries across Asia, the Middle East, Europe, Africa and Latin America have been bombed by the United States since 1945.