Today, those plastic letters are at the center of ... of a Navy ship stationed off the coast of Vietnam. Magnetic letters and numbers were first introduced in the Fisher-Price School Days Desk.

Carrington said she started training five hyline chickens last year to identify magnetic letters and numbers. Also read: Scientists Finally Provide Answer To Age-Old Question, Did The Chicken Or ...

Gabriola Island veterinarian Emily Carrington said she bought five hyline chickens last year to produce eggs, and she soon started training the hens to identify magnetic letters and numbers.