Scientists in Germany have announced the discovery of a petrified hoard of 17-million-year-old nuts they say form the oldest known cache of stored food.

• 德国科学家日前宣布，他们发现了一些被囤积贮藏的坚果化石，称距今已经有1700万年之久拉。可能是最古老的贮藏食物。