Kenyan men work at a road construction site near Isiolo town, 320km north of Nairobi, in July 2008. The road was being built by China Wuyi, a Chinese state company, and funded by African Development Bank and the Kenyan government. Since then the scale of Chinese aid to Africa has increased dramatically. Photograph: Antony Njuguna/Reuters

Chinese aid to Africa is creating pariah states rather than just supporting them, claim the findings of a study that reviews the relationship between (...)

A fruitfly’s sense of smell could be used in new technology to detect drugs and bombs. Photograph: PA

Sniffer dogs search for drugs and bombs, while bees have been trained to detect explosives, but what about a sniffer fly? The “nose” of the fruitfly i(...)

Prof Richard Tol: has said some of the positives of climate change have been left out of the report or downplayed. Photograph: Brenda Fitzsimons/The Irish Times

Former ESRI economist Prof Richard Tol has described the findings of IPCC as “too alarmist”. He was one of 70 authors of the (...)

State and private landowners could be set for small windfall in the midlands if wind farms go ahead. Photograph: David Sleator

Creating a wind farm development in the midlands would be like “selling the family silver” according to University of Sussex professor of econo(...)