Now some of that material is to be returned, under a deal to be announced later this month at a U.S.-led international summit in the Netherlands promoting the security of nuclear materials that can be used as explosives.
The collected material was to be returned in a prepaid envelope to the laboratory, where a test for high-risk HPV was performed.
By design, its two distinct material flows are safe and regenerative: biological materials are designed to be returned to nature, technical materials are designed for perpetual cycles of use by industry.
If the paper failed to comply, the government would seek a court order preventing publication of the material and requiring it to be returned.
The material used in "Photo Nomad" are to be returned to the Harry Ransom Humanities Research Center at the University of Texas at Austin, where the rest of his archives -- prints, negatives, first editions, cameras, notebooks, gifts from Picasso -- are kept.
Materials seized from him have yet to be returned.
The Obama administration and its allies were willing to create that precedent because the material would be returned to Iran in the form of fuel rods, usable in a civilian nuclear plant but very difficult to convert to weapons use.
After the uranium is enriched, only 10% of the radioactive material would be returned to customers abroad, leaving 90% in the Lake Baikal region for storage.
He soon discovered that a superconducting material can be returned to the normal (i.e., nonsuperconducting) state either by passing a sufficiently large current through it or by applying a sufficiently strong magnetic field to it.
In inviting close tribal cooperation, the museum board sought to ease long-running grievances by adopting a repatriation policy in 1991 so human remains and sacred material could be returned to the tribes, as well as objects illegally obtained in the Indian wars.
