<p>One of the best documentaries I have recently seen - a humble scientist from Sweden explains many interesting facts, like how many child are born for woman in average, does Asia and Africa is overpopulated? &nbsp;Scientist explains how medicine and education have provided longer life expectancy in countries like Bangladesh.</p><p>In this documentary is shown &nbsp;a beautiful story about African family living with less than $1 day and dreaming to buy a bicycle. And how bicycle literally drives them out of extreme poverty.</p><p>About energy consumption. About the Riches and Poor.&nbsp;</p>