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What does it mean to be alive? Is a cactus alive? Is a seed alive? Is the air we breathe alive? What are the necessary characteristics?

$1 - $5 per group Ages 11 - 14 1 to 2 hours
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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

1 cent - $1 per group Ages 14 - adult 1 to 2 hours