The New York Times announced last week that it will stop making Digits, a math puzzle game that debuted in beta in April. The last of these daily math puzzles will go up on August 8. Digits is a fun ...
In 1974, a geneticist named Marsha Jean Falco devised an ingenious research tool to help determine whether epilepsy in dogs was an inherited trait. She drew a series of symbols on index cards, where ...