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Eucalypts reveal their veins of gold

Eucalyptus trees can identify gold deposits up to 50 meters underground, according to a new study. The study suggests that analysing the mineral content of leaves and bark, including searching for other minerals such as zinc.
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Why Gold is Making a Comeback

Gold is having a summer revival.The price of gold touched $1,420 an ounce this week, a three-and-a-half month high, as escalating tensions in the Middle East, volatile currency markets and renewed demand.
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