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In this activity, learners use microarray technology to determine which genes are turned on and off at various points in the differentiation of pluripotent stem cells on their way to becoming pancreat

MarsBound! is an engineering simulation activity in which learners use realistic techniques to plan a mission to Mars.

Water treatment on a large scale enables the supply of clean drinking water to communities.

In this activity (page 10 of PDF), learners approximate the area of the uppermost cross section of an impact crater using a variety of square grids.

In this activity, learners explore how wind tunnels provide feedback to engineers about the performance and durability of products such as planes, cars, and buildings.

In this activity (page 12), learners apply the concepts of pixilation and pointillism to the world of biomedical science.