That yielded a corpus of over 500 billion 1-grams, as Dr Michel calls a string of characters uninterrupted by a space.

ECONOMIST: Science invades the humanities

Dora the Explorer and Diego characters were also included in the latest in a string of safety recalls of Chinese products came from Fisher-Price, which said it was asking for a voluntary return of almost 1 million toys.

NPR: Big Bird, Elmo Hit in Latest 'Made in China' Recall