School assignments that a student is expected to do outside of the regular school day—that’s homework. The general guideline is 10 minutes of nightly homework per grade level beginning after ...

With more than 1.5 million subscribers and over 160 million channel views, it could be said that Tyler DeWitt’s videos on YouTube have helped many people understand chemistry in a nontraditional way.

I don’t know whether my life would have turned out differently if I had more access to science at an early age. Nevertheless, ...