We all drink milk as babies, so why can't we all drink it as adults? Examine the trend in lactase production on the world-wide scale as science scholars analyze and interpret data. Groups create pie charts from the data, place them on a...

Body decoration has been practiced for years and years, and it is often associated with a culturally significant event. To celebrate Harmony Day, children discuss the Hindu custom of henna or hand painting. They brainstorm ways people...