Everyone's favorite science teacher brings his cool demos to show you how to protect yourself against the virus. And, he separates fact from fiction about the vaccine. Plus, women who have shed pounds on System 21 share secrets to their success.

Bill Nye Says You Need to Upgrade Your Mask

You've heard of red wine and white wine but have you ever heard of blue wine? This blue version of wine is given a taste test to see how it compares to the classics.

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