Weeklong camps feature topics such as “Junior Doctors,” “Spooky Science” and “Let’s Dive Into the Ocean.” Other subjects ...

Dave Gray offers a solid, free Python tutorial that runs for about 9 hours. It’s a pretty methodical course, starting with the basics and moving into more complex stuff like closures and recursion. He ...

Hank Green has worn a lot of hats. He’s one half of Vlogbrothers, with his brother, John. He’s written some novels. He’s ...

Each one has a designated role ...