Samuel Langhorne Clements was born in 1835 in Florida, Missouri. By the time of his death in 1910, he was known around the world as Mark Twain, “the first truly American writer” and the country’s greatest humorist. In his lifetime,...

The 4-year-olds at All Souls School in Englewood, Colo., are learning their shapes and numbers within a science lesson about sea creatures. It's a new approach to early childhood education that focuses more attention on science and math...