Rachel Kaufman, freelance reporter

I'm an interrogator of gargoyle lovers, frog fondlers, and the eternal optimists saving the news industry. These are some of the stories I've written.

Mouse Tooth Grown From Stem Cells in Mouth

by Rachel Kaufman
Published in National Geographic News
2009-08-03

Denture wearers take note: Science is one step closer to growing replacement teeth “from seed.”

Researchers at the Tokyo University of Science created a “tooth germ” from mouse stem cells, implanted the 500-micrometer (0.02-inch) germ inside a mouse’s tooth socket, and waited.

A month later, a new tooth erupted from the gum. The stem cell tooth was as hard and sensitive as a natural tooth, though the new tooth glowed green in ultraviolet light.

Read the rest at News.NationalGeographic.com