A “city killer” asteroid experts feared was on a crash course with Earth is now expected to miss the planet — but it still has a chance of smashing into the moon. Asteroid 2024 YR4, first detected in ...
In 2011, brothers John and Hank Green created an educational YouTube channel called “Crash Course” with the goal of spreading high-quality educational videos for everyone, free of charge. A year later ...
ARLINGTON, VA, November 6, 2014 –PBS Digital Studios announced today a new partnership with Hank Green and John Green, the YouTube pioneers behind the popular educational series CRASH COURSE. Under ...
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