American Museum of Natural History to remove all human remains from displaynytimes.com·8 pts·fiforpg·0
Tiling the plane with polyominoes is algorithmically undecidable (1970)sciencedirect.com·2 pts·fiforpg·0
An application of geography to mathematics: History of the integral of secant [pdf]fer3.com·3 pts·fiforpg·0
Errors in the Encyclopædia Britannica that have been corrected in Wikipediaen.wikipedia.org·4 pts·fiforpg·0