Thứ Tư, 20 tháng 7, 2016

NPR News: An Archaeological Mystery In Ghana: Why Didn't Past Droughts Spell Famine?

An Archaeological Mystery In Ghana: Why Didn't Past Droughts Spell Famine?
A terrible drought hit Ghana in the 1400s, far worse than today's conditions. Yet people had enough to eat, while today they go hungry. What changed? In a word, colonialism, a new study suggests.

Read more on NPR
Làm đẹp Blog 247 July 21, 2016 at 02:16AM
Category Health & Science

Không có nhận xét nào:

Đăng nhận xét