Reader's Room ponders the week's most thought-provoking speculative fiction and nonfiction. This week I share a story—a memoir, really, since it's true—about waking up in another body.

Linkdump:

• Kate Lechler'sThe Hulder’s Husband Says Don’t Flash fiction.
• The World's First nanocar race
• Japanese researchers 3D print scaffold-free ‘human mini-liver’

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