New study resolves the mysterious origin of Merkel cells

A new study resolves a 130-year-old mystery over the developmental origin of specialized skin cells involved in touch sensation. The findings will appear in the October 5, 2009 issue of the Journal of Cell Biology.

Ailing white tiger put down in Singapore Zoo

A rare white tiger involved in the 2008 killing of a zoo worker has been put down after suffering from skin cancer and joint degeneration, the Singapore Zoo said Thursday.

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