Supposedly this is (of course) a lie/mischaracterization by RFK, that the study is comparing t/sperm levels of kids from the 70s with kids now, and so the kids from the 70s might have had higher levels but now they are in their 60s so…

.2. Not the most intuitive, but ctrl+click on the current dir name in the finder window and you get a small little drop down of the current path where you can choose which dir to go to

It is “Math” and not “Maths”