Sudoku is a number puzzle based on the Latin squares described by Euler, an 18th c Swiss mathematician. The modern, more complex version classically consists of a box divided into 9 squares; each of those squares is again divided into 9 smaller boxes (81 boxes in total). The puzzle setter provides a partially completed grid so that there is only one solution. The objective is to fill the grid so that every column, every row and every 3Ã—3 box contains the digits 1 through 9. What is a Hexudoku?
Back in the day
Wallace was a Scottish knight who, during the Wars of Scottish Independence, led a resistance against the English occupation. Much of what is known about his life is based on legend and the poem The Acts and Deeds of Sir William Wallace, Knight of Elderslie, written by 15th century minstrel Blind Harry. In 1305, Wallace was betrayed by a Scottish knight and handed over to the English. Found guilty of treason, he was hanged, drawn, and quartered. What 1995 film depicts Wallace's life?
Born on a day like today
Cuvier was a renowned French naturalist and zoologist considered the founder of comparative anatomy and vertebrate paleontology. He originated a system of zoological classification that comprised four phyla based on differences in structure of the skeleton and organs, and his work with fossils greatly advanced the science of paleontology. In 1826, he was named to the Legion of Honour, the most senior order in France. What extinct flying reptile was Cuvier the first to identify and name?