Scientists think they’ve solved the mystery of the mummified ibises: The existence of burial tombs of mummified ibises — sacrificed to the god Thoth — have been known about for years. What has remained a mystery is how Egyptians were able to get hold of mns of the birds. Ancient texts seemed to suggest that the birds were bred and domesticated specifically for ritual sacrifice. New DNA tests, however, provide evidence that birds were not farmed en masse, but were tamed only when needed and remained in their natural habitats for much of their lives. The Science Daily has more.