One petabyte is the same as 20 million four-drawer filing cabinets filled with   text,13.3 years of HD-TV recordings, 4.7 billion books or 670 million web   pages

Human brain can store 4.7 billion books - ten times more than originally thought

A lack of sleep can cause parts of the brain's synapses to be 'eaten' by other brain cells, according to a new study by researchers at the Marche Polytechnic University in Italy.

#book for free today only! Chaucer's Canterbury Tales

Author: Gilbert T. Category: Biography and Autobiography; Length: 132 Pages;

Download the entire book for free today only! #music On the Sensations of Tone

Forgotten Books :: Free Books, World's Largest Online eBook Library