# Do you think that it is impossible that the [[Shroud of Turin]] is authentic?
# Do you think that it is impossible that the [[Shroud of Turin]] is authentic?
# Do you think that there ''must'' be a purely material-based explanation (such as magnetism) for remarkable [[homing]] and [[migration]] behavior of birds and butterflies?
# Do you think that there ''must'' be a purely material-based explanation (such as magnetism) for remarkable [[homing]] and [[migration]] behavior of birds and butterflies?
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# Do you think that it is impossible for the speed of light in the Earth's atmosphere to have been measurably different in the past?
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# Do you think that it is impossible for the speed of light to have been different in the past?
# Do you think that it is impossible to measure openmindedness?
# Do you think that it is impossible to measure openmindedness?
# Do you think that [[evolution]]<ref>By "evolution" is meant the theory of evolution, especially universal common descent.</ref> ''must'' have occurred?
# Do you think that [[evolution]]<ref>By "evolution" is meant the theory of evolution, especially universal common descent.</ref> ''must'' have occurred?