The discovery of vessels, nestled just beneath the skull, overturns decades of textbook teaching and could pave the way for new approaches to treating brain diseases.
Exceptions produced during the strip's original run include two 16-month calendars (1988 1989 and 1989 1990), and the textbook Teaching with Calvin and Hobbes, which has been described as "perhaps the most difficult piece of official Calvin and Hobbes memorabilia to find".
His textbook taught college students how to think about economics.
Rosin adds: "If everything your home-school textbook taught you wasn't true, then everything the esteemed Dr. Farris said wasn't necessarily true, and what your parents said might not be true either.
What can an exchange rate really mean, he wrote in Changing Fortunes (1992), in terms of everything a textbook teaches about rational economic decision making, when it changes by 30% or more in the space of 12 months only to reverse itself?
The report also concludes that neither the textbooks teaching about empire, nor the history websites used by schools, suggest an "anti-British" slant is being taught in schools.
Medical schools in Kabul and Jalalabad have no textbooks, teaching slides or anatomical charts -- the Taliban often burned them because of their graphic depictions of the human body.
She wrote in a wide range of genres: textbooks, teaching manuals, children's literature, political pamphlets and critical periodicals.
An Assessment of Health Training Institutions conducted by United States Agency for International Development (USAID) and the Ministry of Health and Social Welfare (MOHSW) in 2007 found that only Phebe School of Nursing & Midwifery and Mother Patern School of Health Sciences had the appropriate resources (textbooks, teaching laboratories, demonstration models, etc).
Bilingual education materials like textbooks, teaching tools and toys have been produced in ethnic minority languages, and preschool and primary teachers have been trained in mother tongue-based bilingual education techniques.
UNICEF has undertaken a massive supply and distribution operation to ensure that all school supplies, textbooks, teaching aids, furniture and uniforms are in place for students to return to school.
