I found out that it was heavier than air when going through gas drills in the Army. I left a pack of cigarettes in my pocket once and the gas permeated them.
Reminds me of a job I almost had as surgical technician at a hospital. In a way I'm glad I didn't get hired. A couple weeks later I got a job at Cornell in entomology research. More my "bag" as it were.
In my kindergarten class there were 4 Patricias. Later on in my early teaching career, Debbie was common. In 1939 the top male baby name was James, BTW, my first name.
I remember driving along I-90 in Ohio and realizing I was passing all trucks and none of them were passing me. I then saw a speed limit sign that sadi trucks was 60MPH and all others 70MPH. Later on I read that long haul drivers would cut across Ontario to meet time schedules.
Chance favors the prepared mind--Louis Pasteur. Best example was that crew of college students that made millions playing blackjack in casinos using computer aids.
What needs to be done is making sure you can stow your carry on near your seat. All too often I board and find all overhead storage full and end up trying to find one way behind me. A hassle when deplaning. Don't ask me about people bringing pets with them.