Unopened

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Peter Drucker Paulo Coelho Jack London Oprah Winfrey Zadie Smith
Famous Meaningful Life Feelings Inspirational

And behold the greatest mystery of them all: an unopened can of diet Pepsi floats in water while an unopened can of regular Pepsi sinks.

 Author: Neil deGrasse Tyson
Topics: Greatest, Pepsi Sinks, Regular, Unopened