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Interlude B.1: Activity: Development of cancer

Explore the role that various signaling pathways may play in the development of cancer.

Interlude B.2: Tutorial: Suppressing tumors by controlling cell division

A tumor is a group of misregulated, rapidly dividing cells. This tutorial explores the mechanism by which a cell keeps its division in check.

Interlude B.3: Tutorial: A strategy for combating cancer

This tutorial explores how the p53 protein helps to maintain normal cell division.

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W. W. Norton & Company has been independent since its founding in 1923, when William Warder Norton and Margaret D. Norton first published lectures delivered at the People's Institute, the adult education division of New York City's Cooper Union. The Nortons soon expanded their program beyond the Institute, publishing books by celebrated academics from America and abroad. By mid-century, the two major pillars of Norton's publishing program—trade books and college texts—were firmly established. In the 1950s, the Norton family transferred control of the company to its employees, and today—with a staff of 400 and a comparable number of trade, college, and professional titles published each year—W. W. Norton & Company stands as the largest and oldest publishing house owned wholly by its employees.