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Scientists have found a way of capturing DNA from snow tracks — a promising non-invasive method of monitoring elusive animals like polar bears. Polar bears are icons of the Arctic, elusive and vulnerable. Detailed monitoring of their populations is crucial for their conservation — but because pol

<p>Monitoring the populations of threatened animals like polar bears and snow leopards is crucial to safeguarding these populations for the future. Scientists have now discovered a non-invasive method of capturing DNA from animal tracks in snow which could allow detailed analysis at a distance.</p>