After previous reporting on unfounded genetic explanations for racial disparities, I felt fairly despairing about how they would ever be dispelled. Then I attended this training for high school biology teachers.https://www.nytimes.com/2019/12/07/us/race-biology-genetics.html …
There might not be absolute proof of all the specific genetic influences (though particular genes have been studied) but there's *disproof* of every environmental factor ever examined.