Scientists say the practice of feeding biological material from cows to cows can spread the disease.
"The digestive enzymes are powerful - they have an amazing ability to digest most biological material, " Dr Schmid-Schonbein said.
Scientists have for the first time created laser light using living biological material: a single human cell and some jellyfish protein.
He described a hypothetical scenario in which self-replicating nanomachines able to break down biological material could run amok, replicating exponentially and turning terrestrial life into mush.
Using an experimental technique never before tried on a human, they created a splint made out of biological material that effectively carved a path through Kaiba's blocked airway.
The precise technique will be left up to the keepers who know best how to get biological material from their potentially grumpy, two-tonne donor while giving least offence.
If Dr Lipton is correct, the race has now begun to see whether the first artificial scientist to win a Nobel prize is based on silicon or biological material.
ECONOMIST: Computing and biology: Arresting developments | The
The technique used by Green and Hollister is part of a burgeoning field called regenerative medicine, which involves engineering therapies -- using things like stem cells, or "body parts" constructed out of biological material -- to harness the body's ability to heal itself.
This will allow them, for instance, to demand to be shown evidence of what has become of missiles that could be filled with chemical or biological agents, or the stocks of previously uncovered material that might be used to make such weapons.
The dossier, which set out evidence about Saddam's alleged chemical and biological weapons programs, caused embarrassment for the government after it was revealed it included material copied from an American student's thesis that was posted on the Internet.
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