› added 9 months ago

100

TIL That Papa Johns Large Pizzas are only 13.5 inches compared to the usual 14 inches. This results in 7% less pizza.

Read more blog.papajohns.co.uk

via reddit.com

1aLnP TIL the reason for the Netherlands not being underwater is due to its complex network of dikes, ditches, canals and pumping stations that have been built through the course of its history. It is so intricate that controlled flooding can create a ring of fortification around Amsterdam, its capital.
4Xl8N TIL about the ~2,000 yr old Roman aqueduct in Segovia Spain. 15km long. Almost 100 ft at highest. Almost 2,000 km by road to Rome. Carried water into the 1920's
Wkea9 TIL the reason police tap on taillights or run their fingers along the side of a car during a traffic stop is because it left DNA evidence used to identify the vehicle afterwards without pictures or video. Now all patrol cars have cameras but it still occurs since it was part of training for decades
vPdvj TIL in the 1880s, the director of Harvard Observatory was dissatisfied with his team and remarked, "My Scottish maid could do better!" He hired Williamina Fleming, his Scottish maid. For decades, Fleming led a team that made significant discoveries, including white dwarfs and the Horsehead Nebula.
pjkb TIL In space, if unprotected pieces of metal touch each other, they stick together permanently.