Specially trained rats in Mozambique help their human handlers clear miles of land mines.
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A new study shows how regional climate differences controlled the intensity of outbreaks of plague in China.
A recent study found that rats grew tumors and died young after being fed a diet of GM corn laced with the herbicide known by the brand name Round-Up.
A non-native species of tortoise is proving a good substitute for extinct native seed dispersers in Mauritius.
