New research has shown when prehistoric people first started talking.
The Library of the Monastery of St. Gall in Switzerland is home to about 160,000 volumes of literary and historical manuscripts dating back to the 8th century.
Linguists estimate that every four months a language dies and half the world's language may disappear before 2100.
India lost about 20% of the language in five decades, according to a new survey by the Bhasha Research and Printing Center.
The story of people becoming ambitious carnivores began 65 million years ago.