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ABOUT 13.5 BILLION YEARS AGO, MATTER, energy, time and space came into being in what is known as the Big Bang. The story of these fundamental features of our universe is called physics. About 300,000 years after their appearance, matter and energy started to coalesce into complex structures, called atoms, which then…
One way to achieve genuine engagement in students is to provide them with the opportunity to experiment with scenarios in which they can examine complex issues and interactions. Games provide a safe and interactive way for kids to engage with complex ideas, put themselves in others’ roles and analyze issues from a…
Another way we try to remove obstacles to learning is by having a small set of social rules. These rules are intended to be lightweight, and to make more explicit certain social norms that are normally implicit. Most of our social rules really boil down to "don't be a jerk" or "don't be annoying." Of course, almost…
Flexible thinkers are able to shift through multiple perceptual positions at will. One perceptual orientation is what Jean Piaget called egocentrism, or perceiving from our own point of view. By contrast, allocentrism is the position in which we perceive through another person's orientation. We operate from this…
A vital phenomenon can only be regarded as explained if it has been proven that it appears as the result of the material components of living organisms interacting according to the laws which those same components follow in their interactions outside of living systems.
The analysis of Nature into its individual parts, the grouping of the different natural processes and natural objects in definite classes, the study of the internal anatomy of organic bodies in their manifold forms—these were the fundamental conditions of the gigantic strides in our knowledge of Nature which have been…
The sciences are of a sociable disposition, and flourish best in the neighborhood of each other; nor is there any branch of learning but may be helped and improved by assistance drawn from other arts.
The interactions of man with his environment are so complex that only an ecological approach to nutrition permits an understanding of the whole spectrum of factors determining the nutritional problems that exist in human societies.