Fantastic science/art/wonder enamel pin


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I thought the intersection would be “pasta.”


Here’s a cool sciencey/artsy pic of an embryonic mouse heart.

It’s blue because a small piece of DNA called an enhancer was attached to a [gene] ( that makes a protein that converts a colorless substrate into a blue one. It’s only blue in some areas because the enhancer is a switch that only gets activated when the right stuff (technical term) is present, and that stuff is only present in those regions. This sort of [reporter assay] ( is a way to determine where or when an enhancer is active.

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