4.7K views · 97 reactions | Meet Mara Davi Gaines, a Broadway and television actress and zero-waste advocate who just learned about Citizen Science. | Nature | PBS | Facebook

37K views · 113 reactions | How Do Dentists Fix Your Teeth? The Science of Smiles Explained! | 5-Minute Crafts SHORTS | Facebook

297K views · 10K reactions | We’re getting ready for a #MarsLanding! Our NASA InSight lander will be the first spacecraft to take the Red Planet’s vital signs and study its deep interior, giving us insight (get it?) into how rocky planets form. Learn more about our Monday, Nov. 26 touchdown on the Martian surface: https://go.nasa.gov/2FGCrdI | NASA - National Aeronautics and Space Administration | Facebook

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247K views · 1.9K shares | The World We Avoided by Protecting the...