When the farmlands of California and Australia are facing a drought, what can they do? They could continue producing food if they could only irrigate their crops with saltwater.

Now an international team of scientists has found a way to do just that. They have developed salt-tolerant plants using a new type of genetic modification, which enables the crop to contain the salt in parts of the plant where it does less damage.

Australian researcher Mark Tester says, “Salinity affects the growth of plants worldwide, particularly in irrigated land where one third of the world

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