Americans have an expression:“If you give a person a fish,they will eat for a day.If you teach a person to fish,they can eat for a lifetime.”One way to explain this is that helping people grow their own food is a better way to fight hunger.That is the purpose of an agricultural research organization called HarvestPlus.Its project in Mozambique is having surprising effects. Americans have an expression: “If you give a person a fish, they will eat for a day.If you teach a person to fish, they can eat for a lifetime. ” One way to explain this is that helping people grow their own food is a better way to fight hunger.That is the purpose of an agricultural research organization called HarvestPlus .Its project in Mozambique is having surprising effects.