After an update on the damage caused by an EF-4 tornado in Alabama and Georgia, today's show examines how twisters are categorized and what damage they're capable of. We're bringing you a driver's perspective of a recent avalanche in Colorado. And after a report on the successful docking of a SpaceX capsule with the ISS, we're coming back down to Earth to see how a bridge maintenance crew keeps corrosion at bay.

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