Ancient artifacts found in the Arabian Peninsula, dating back to 100,000 years ago, indicate that the human exodus of Africa occurred earlier than thought.
Mohammed Yahia and Ahmed Abdel-Azeem are Egyptian men of science. They might be strongly affected - in ways I can only imagine - by the political unrest there. I dedicate this post to them!
Attari says that what we think are energy savers, and what actually does save the most energy are ot the same. Find out what actually saves energy here.