So ministry and companies have banded together to commission Rhiannon Lloyd and Bill Holt, of the Institute of Zoology in London, to work out how to solve the problem.

ECONOMIST: The search for long-lived sheep sperm

Holt has been trying for years to get a bill passed that would require some form of paper ballots on all voting machines.

NPR: Several States Abandon Electronic Voting for Paper

In a statement, Holt said he tried to insert language in an intelligence bill that would require the CIA to preserve interrogation tapes.

NPR: No Charges In Destruction Of CIA Interrogation Tapes