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In your planning, consider what you most want students to know and then work backward to develop an opening that promotes sustained interest toward that goal. If possible, represent the unit in several different ways that appeal to different learning strengths and levels of achievable challenge so you can continually…
Our technology is giving us progressively greater power to keep alive our ancestors' ghosts. First the invention of writing allowed us to preserve their words. Painting and photography allowed us to preserve their faces. The phonograph preserves their voices and the videotape recorder preserves their movement and…
How many seconds are there in a lifetime? 10^9 sec A second is an arbitrary time unit, but one that is based on our experience. Our visual system is bombarded by snapshots at a rate of around three per second, caused by rapid eye movements called saccades. Athletes often win or lose a race by a fraction of a second…
In America here, life expectancy for the average woman is 80. But for an Adventist woman, their life expectancy is 89. And the difference is even more pronounced among men, who are expected to live about 11 years longer than their American counterparts. Now, this is a study that followed about 70,000 people for 30…