Look at various ways students represent their mathematical thinking. Then observe students using those representations to solve problems.

Your class can participate in Journey North’s ruby-throated hummingbird research. Visit the site to learn about how to contribute data as citizen scientists.

Diagnosed with autism at 18 months, Dr. Stephen Shore discusses some approaches and supports for students with autism.

Known as 'the father of the motion picture,' Muybridge invented the zoopraxiscope, which projected a moving image from still sequences, such as this couple dancing.

Achebe's novel 'Things Fall Apart' asks readers to consider what they would do if their whole way of living was suddenly threatened by a group of outsiders.