Scientists are concerned about a high number of whale deaths along the northwest coast of North America in recent months. At least 30 dead whales have been recorded off the Gulf of Alaska since May, which is more than triple the normal rate, according to the National Oceanic and Atmospheric Association. At the current time, scientists are not certain what is to blame for the die off. The theory presently is that the large algae bloom is to blame, although only one tissue sample supports this.

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