大象传媒

Satellite images show logging across central Africa is accelerating faster than previously believe, in some areas quadrupling in 30 years. Michael Griffin, head of Nasa, starts a storm of controvesy as he acknowledges global warming but wonders if it really such a problem. Earthquakes in Tanzania and how more attention must be paid building safety now population density is higher and buildings larger. Plus, what artificial fruit can teach us about building artificial brains.