They used to tell us you could stand an egg on its end on the equinox because the Earth was standing straight up and down. It really wasn't part of class, just

They used to tell us you could stand an egg on its end on the equinox because the Earth was standing straight up and down. It really wasn't part of class, just something people mentioned. I even remember seeing a short news story of kids actually trying it in school. Then at one point one of my teachers pointed out people figured out you could do it any day of the year.