THE MAN WHO grew a finger.

Mr Speivak’s brother Alan – who was working in the field of regenerative medicine – sent him the powder.

For ten days Mr Spievak put a little on his finger.

“The second time I put it on I already could see growth. Each day it was up further. Finally it closed up and was a finger.

More of this, please.

UPDATE: Some skepticism.

ANOTHER UPDATE: This comment suggests the story is genuine.

MORE: Further thoughts here.

STILL MORE: A report from Scientific American.