They may be small creatures, but sea urchins have become a big problem in our oceans. Due to an ecological imbalance, they're devouring marine habitats off America's West Coast and elsewhere, impacting other species. Help may be on the way from a unique partnership between scientists and a seafood company. Correspondent John Blackstone shows us how they're looking to turn a menace into a meal.

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Each weekday morning, "CBS This Morning" co-hosts Gayle King, Anthony Mason and Tony Dokoupil deliver two hours of original reporting, breaking news and top-level newsmaker interviews in an engaging and informative format that challenges the norm in network morning news programs. The broadcast has earned a prestigious Peabody Award, a Polk Award, four News & Documentary Emmys, three Daytime Emmys and the 2017 Edward R. Murrow Award for Best Newscast. The broadcast was also honored with an Alfred I. duPont-Columbia Award as part of CBS News division-wide coverage of the shootings at Sandy Hook Elementary School in Newtown, Connecticut. Check local listings for "CBS This Morning" broadcast times.