At a press conference in Vienna, Kerry said, "We have made real and substantial progress on some of the most vexing challenges, and we now see the path toward potentially resolving some issues that have been intractable".
"The closed gene pools and extensive pedigrees of purebred dogs make them ideal for mapping genetic diseases that have been intractable in humans," said Dr. Elaine Ostrander, head of the human genetics program at the Fred Hutchinson Cancer Research Center in Seattle.
A solution to the problem at the 367ft (112m) tower has been "intractable", the owners told Leeds Coroner's Court.
The ATPase itself has been intractable to structural characterization [ 34, 35].
Specifically, identifying potential reservoir species with the expected long-term coevolutionary history of filovirus infections has been intractable.
Understanding microsecond-timescale dynamics is crucial to establish three-dimensional (3D) structure activity relationships in sugars but has been intractable to experiments and simulations.
Ms. Guhl called the hospital a dinosaur that had been an "intractable problem" in the state's psychiatric system for 20 years.
President Obama's speech, delivered from the podium of the UN general assembly, represented a striking admission that his administration's attempt to "pivot to Asia" had been stymied by the intractable nature of the Middle East's problems, and by the danger of the spread of weapons of mass destruction in the region, such as last month's use of chemical weapons in Syria.
Dr. Nijensohn also unearthed information indicating that Dr. James L. Poppen, a neurosurgeon at the Lahey Clinic in Boston and an international expert on the use of lobotomy for intractable pain, had been summoned to operate on Perón in the summer of 1952.
Investigation showed that trails of accelerant in the house led back to Green's bedroom, and that the source of Michael Farrar's intractable illness had been ricin, a poison served to him in his food by Green.
