A little more than a year ago, on a trip to Nairobi, Kenya, some colleagues and I met a 12-year-old Masai boy named Richard Turere, who told us a fascinating story. His family raises livestock on the ...

15-213 lectures are presented by Prof. Brian Railing (bpr) or Prof. Phillip Gibbons (pg) as indicated in the schedule. 14-513 lectures are presented by Prof. Taha Khan (tk) 15-513 students should ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...