Student Cloner

From Slate:

"It's not like you're flooring a car!" says Vicki Huntress, the friendly, thumb-ring-wearing lab instructor who is giving today's cloning lesson. But it's too late. The student at the microscope has pushed her foot pedal a split second longer than she should have, causing a tiny drill to penetrate too far into the mouse egg whose chromosomes she is trying to remove. The egg's cytoplasm—its vital inner contents—begins to flood out into the Petri dish, blub blub blub, a tragic scene the rest of us can see on a video screen connected to her microscope. "OK, this egg is SO going to be damaged," says the student, whose experience proved what we have already been warned: If you want to learn to clone, you are going to need a lot of patience. And a lot of eggs...

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