A new study finds that microplastics and nanoplastics accumulate at higher levels in the brain than in the liver and kidney.

The human body, I know, did not evolve to swim laps ... Her mother and sister secretly urged her on. Today she is a national hero, and her prize money helps support a large extended family.

This story appears in the August 2018 issue of National Geographic magazine. “You need to have your throat cut out and your decomposing, bug-infested body fed ... a glimpse of human nature ...

Here’s what happens to your body when you drink it ... Photograph by Justin Jin, National Geographic A tea grower from the Blang Indigenous community brews tea for clients in Wang Ji village ...

Maybe, with a little luck, he would make another discovery that would change the map of human evolution. A version of this story appears in the February 2025 issue of National Geographic magazine.

This story appears in the January 2017 issue of National Geographic magazine ... Green of the Center for Human Sexuality Studies at Pennsylvania’s Widener University and Luca Maurer of the ...