Guardian: It's big and bumpy with a gooey interior and a powerful smell of decay - but it could help keep millions of people from hunger. Researchers say jackfruit a large ungainly fruit grown across south and south-east Asia could be a replacement for wheat, corn and other staple crops under threat from climate change. The World Bank and United Nations warned recently that rising temperatures and unpredictable rainfall had already reduced yields of wheat and corn, and could lead to food wars within...