Adam Dean for The New York Times Want to learn more about this popular student activity? Watch this short introduction video and start using this multimedia feature in your classroom.

We don’t disagree with Crystal Surdyk, city development director, that a local preservation ordinance is needed in Jamestown. We wholeheartedly disagree that the ordinance currently under discussion ...

Test your knowledge about the human digestive system... from the mouth to the bum! Help Dr Chris, Dr Xand and Dr Ronx on their fantastic voyage.