This story appears in the October 2020 issue of National Geographic magazine. A half century ago astronomers designed a map that would point to Earth from anywhere in the galaxy. Then they sent it ...

This page was updated on Tuesday, Aug. 16, 2022, to add clarification of National Geographic's mapping policy.

A search for articles was performed on the database Google Scholar using “Brazil”, “Clusiaceae”, “Guttiferae” (an old name for Clusiaceae) and “gall” as keywords in order to retrieved geographic ...