The Oldest Kids in Class Are Also the Most Popular

Learn why older classmates are more popular; how some invasive species help their ecosystems; and keyboard cleaning tips.  

Don’t be surprised if the oldest kids in your class were also more popular by Kelsey Donk

Invasive species aren’t always harmful — some help their ecosystems thrive by Cameron Duke

This Is How Often You Should Clean Your Keyboard originally aired May 14, 2018 

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