Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The figure presents a world map illustrating the scientific production by country, where darker shades of blue indicate higher levels of research output, highlighting key contributors such as China, the United States, and Russia.
