The 1st pregnancy via A.I. detected sperm (by finding 5 motile sperm in 2.5 million images) from a 39-year-old man with infertility.
A man in 1835 was digging a duck pond and accidentally uncovered a 70-foot tunnel made of 2,000 sq ft of mosaic made from 4.6 million shells (mussels, cockles, whelks, limpets, oysters, scallops).