"Starting October 2014, the journal only accepted submissions from authors willing to pay an article processing charge (currently $5,200 in the United States)"
"It covers the natural sciences, including physics, chemistry, Earth sciences, and biology."
https://www.nature.com/articles/s41467-018-05433-9
The journal, to me, does not seem to be much trustworthy:
https://en.wikipedia.org/wiki/Nature_Communications
"Starting October 2014, the journal only accepted submissions from authors willing to pay an article processing charge (currently $5,200 in the United States)"
"It covers the natural sciences, including physics, chemistry, Earth sciences, and biology."