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It's over 500,000 square miles of rumored mysteries. In reality, the Bermuda Triangle may be filled with something even more incredible - Sharks. Marine Biologist Dr. Austin Gallagher is searching for the holy grail of shark research - the secret breeding grounds of tiger sharks, and he's hoping one special shark can lead him to it.。This chronicle of rampant racism in the US begins with a provocative question from filmmaker Roger Ross Williams: “Please tell me, what is wrong with Black people?” If you want to change anything about the current situation, you need to know where the racist ideas came from, believes historian Ibram X. Kendi. This film is based on Kendi’s eponymous book, and the author is one o...。