Graphic detail | Old town road

An Inca highway still benefits people living nearby

A new study finds that wages, nutrition and schooling levels along a pre-Columbian road are all unusually high

This article is part of our Summer reads series. Visit the full collection for book lists, guest essays and more seasonal distractions.

This article appeared in the Graphic detail section of the print edition under the headline “Old town road”

Dashed hopes: Emerging markets’ growth problem

From the July 31st 2021 edition

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How many Ukrainian soldiers have died?

Three charts show the country’s losses

Which shares have done best from the Trump trade?

Three sectors stand out


Where is it actually cheaper to drive an electric car?

And is it always greener? Our ranking shows how costs and emissions vary


Most Ukrainians now want an end to the war

Polls show that 52% want negotiations. Some say they are willing to give up land to Russia 

Which countries have the most-educated politicians?

American lawmakers have lofty credentials, but not necessarily more skills

Five charts show how Trump won the election

Where did he pick up support compared with 2020?