Great question, Desiree. Let me start with a story about the scientist Isaac Newton. About 350 years ago, he was thinking a lot about light, and what it is made of. He held a prism up to the light and ...

Twenty-odd years before Newton stated the three laws of motion, he conducted a simple, breakthrough prism experiment. He poked a hole through his window shade, allowing a single beam of light to shine ...

NASA's Apollo 11 mission broke new ground in a lot of obvious ways. Landing humans on the lunar surface was a huge accomplishment, as was the first (and each subsequent) moonwalk. But not everything ...