US scientists develop non-destructive method to detect rare-earth elements in plants

This technique uses light on plant tissues. PIC COURTESY/NSCU

US researchers have developed a technique to measure rare-earth elements in plants without destroying them.

This could play a key role in transforming how the world sources critical materials used in modern technologies.

These elements are not truly rare but are difficult to find in concentrated, economically viable deposits. As a result, many countries rely on imports.

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