That Bill Gates is a voracious reader is no secret, and a recent tweet by the billionaire revealed another dimension of his learning-bent of mind.

The Microsoft Corporation (NASDAQ: MSFT) co-founder said he is at his “happiest” when he is learning, no matter how gross the subject matter is. The statement came after his visit to the Meguro Parasitological Museum in Tokyo.

He also mentioned that he saw what he believed to be the world’s longest tapeworm, and added that he would …

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