We share the best ways to fight off those viruses and how to feel better this winter. Let it snow: We head to ski slopes to check out the science behind snow making. Around the globe: We travel to Egypt to learn about the country’s kings, rich history and the longest river on Earth. Plus, Jackson Daly takes us behind …

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The three men convicted in the killing of Ahmaud Arbery are due back in court today for sentencing, each facing life in prison. NBC News’ Catie Beck explains what to expect from today’s hearing. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver …