While many traditional histories of science jump from Archimedes in the third century BC to Gutenberg in the fifteenth century AD, it was during this intervening period that Islamic culture and ...

NCERT Class 9 Science Book PDF: The National Council of Educational Research and Training (NCERT) has revised the Class 9 Science NCERT Book with the deletion of certain chapters and topics to ...

Richard Dawkins was “greatly encouraged” to learn that the unofficial Arabic PDF of his book "The God Delusion" had been downloaded 13 million times!