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

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74K views · 426 shares | Fly me to the Moon  From launching on our NASA's Space Launch System rocket to traveling to the lunar surface, spacesuit engineer Lindsay Aitchison answers #AskNASA questions about how we’re going back to the Moon. Watch now: https://go.nasa.gov/2OCmjNp | NASA - National Aeronautics and Space Administration | Facebook

146K views · 905 shares | "We saw these mountains, we saw boulders, we saw rocks, we saw very few areas that had this sandy surface that we were expecting." Our NASA's OSIRIS-REx Asteroid Sample Return Mission spacecraft is going #ToBennuAndBack on Oct. 20, but collecting a sample from a rocky asteroid won't be easy: youtu.be/0NlZlJAVnDA | NASA - National Aeronautics and Space Administration | Facebook