The Psychobiotic Pioneers

After years of doubt and incredulity, it now seemed possible that microorganisms shaped our risk for developing psychiatric and neurological disorders. The question was how.

Luckey’s Guess

In the late 1960s, a scientist named T.D. Luckey made a claim: Microbial cells, he said, outnumbered human cells ten-to-one. This is the story about how Luckey’s guess established itself as microbiology’s oft-quoted fact.

Survivor No. 3

A day after swimming in an Arkansas water park, Kali Harding was diagnosed with a brain-eating amoeba that kills 99% of the people infects. This is the story of how she survived.

The Mudlick Run

Thousands of large farms could be exempt from the Clean Water Act if a recent decision from West Virginia is upheld. Here is the story of Alt v. EPA and the chicken farmer at the center of this legal fight.

A New Kind of Transplant Bank

“They invented the Internet across the street and here we are just putting poop in a blender.” A visit to the nation’s first open-access stool bank. (See also.)

Rethinking Motion Sickness

Inside a “moving room,” Dr. Thomas Stoffregen is on a quest to understand the queasiness of sickness, seasickness, simulatory sickness, and morning sickness.