pnas.org

LQwXm TIL People with social anxiety disorder have a different gut microbiome - transplanting their microbiome to mice causes the mice to suffer from increased social fear
4k1pX TIL the often-cited study that says that black babies cared for by white doctors died at a higher rate than those cared for by black doctors was a lie. Black babies with a higher chance of dying tended to be cared for by white doctors, which skewed the statistics
9wbXm TIL Elephants can distinguish human voices by sex, age, ethnicity, and language.