@cbcnews: Come with CBC’s Georgie Smyth — on an assignment for The National — to learn how researchers are trying to develop new, non-invasive ways to study critically endangered killer whales. Normally researchers need to get a sample of a whale’s blubber, but this team is testing what they can learn from studying the water around a whale — a technique called environmental DNA (or eDNA). #britishcolumbia #killerwhales #whales

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Sunday 31 March 2024 16:15:00 GMT