Week 1, continued
David takes us deeper into C, looking at functions such as the CS50 Library's GetString().


How the blockchain is changing money and business | Don Tapscott
What is the blockchain? If you don't know, you should; if you do, chances are you still need some clarification on how it actually works. Don Tapscott is here to ...


The surprising solution to ocean plastic | David Katz
Can we solve the problem of ocean plastic pollution and end extreme poverty at the same time? That's the ambitious goal of The Plastic Bank: a worldwide chain ...