Winter means a lot of indoor time, and I've learned that science experiments are a lifesaver on those long, cold days. The best part? You don't need anything fancy. Baking soda, vinegar, food ...

Notre Dame professor Katie Bibedorf, better known as Kate the Chemist, joins TODAY to share entertaining science experiments ...

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Don't let January get you down. These small changes can help you feel brighter despite the dark days of winter.