Scientists are puzzled by a disturbing trend in the waters along four Gulf Coast states. Almost 300 dead and dying dolphins have washed ashore since February, three times the usual number. Mark Strassman reports.
World - CBSNews.com, CBS News: World
Wed, 06/19/2019 - 5:37am
Scientists are puzzled by a disturbing trend in the waters along four Gulf Coast states. Almost 300 dead and dying dolphins have washed ashore since February, three times the usual number. Mark Strassman reports.