Low doses appeared to offer some protection against stroke damage - reducing the area of the brain affected by 30%.

BBC: Ginkgo could reduce stroke damage

The new approach uses four or five weaker defences, for example reducing the area of the wheat plant that Ug99 destroys, or slowing down the spread of the fungus.

ECONOMIST: Wheat rust and world farming

In the Haute-Pyrenees departement of France, there is anger that the area has been excluded from France's officially-designated disaster area, reducing the aid available to farmers.

BBC: Dutch raise summer heatwave toll