(1) The number of times the participant attempted to solve the unsolvable puzzle was used as a measure of the person's persistence or residual frustration level.(2) Everything around me appeared blurred, the voices were a faint cackle and all the colours swirled in front of my eyes like parts of an unsolvable puzzle.(3) u2018That question remains unsolved and unsolvable ,u2019 Greenberg writes.(4) In essence, the human brain has the ability to solve problems that seem unsolvable by intuition.(5) But, the seemingly unsolvable mystery is this: Why has the fierce love of wrestling been so unfailing across the ages?(6) Why this is the case is one of life's many unsolvable conundrums.(7) First, it enables new and innovative approaches to scientific and engineering research, allowing scientists to solve previously unsolvable problems or to provide superior answers.(8) They often come up with solutions for what seemed like unsolvable problems.(9) The Cabinet Office report says papers are delivered after exams should have been held, questions are unsolvable and there are often errors in the marking.(10) So the next time you feel overwhelmed by the responsibilities that come with being a security officer or consultant, take solace in the fact that the problems you are trying to solve are fundamentally unsolvable .(11) It is that unique and individual genetic code that is helping law enforcement solve unsolvable crimes.(12) There's no single-handed solving of unsolvable murders these days - and no beautiful, blonde dames in distress to be rescued, as in Philip Marlowe's day.(13) Where they came, where they went, the questions surrounding them (and indeed the women themselves) were unsolvable mysteries.(14) They were then asked to complete an unsolvable geometric puzzle.(15) For anyone of this high level, they would have already graduated from college, be working on a degree of some sorts, working on finding cures to cancer and aids or solving unsolvable math equations.(16) Among the army of sleuths and secret agents that populated 1960s TV was a trio of detectives, employed by of a special branch of Interpol dedicated to solving seemingly unsolvable crimes.