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How many grandfathers do you have? That would, of course, include all levels of grandfather. I have an inkling, but I would rather see what others would do to figure out an answer.
John Deethardt, 55+ U.S.
John F. Deethardt II
Filed under: Ageing Big Questions, Biology Big Questions, Evolution Big Questions, Genetics Big Questions, Humanity Big Question, Medical Big Questions, Unanswered Big Questions, age 55+ | 1 Comment »
What is the speed of evolution? A new species of bird appears, and I understand that that happens occasionally. What was the mutation in the new “species” (is that the right word?) that was favored by the environment eventuating in the newly discovered bird? Can that “feature” be isolated somehow? Can the length of time [...]
Filed under: Age Unknown, Biology Big Questions, Evolution Big Questions, Unanswered Big Questions | 1 Comment »
How deep is it to the centre of the Earth?
Kevin
Filed under: Age Unknown, Answered Big Questions, Environment & Natural World Big Qs, Mathematics Big Questions, Planetary Science Big Questions | 1 Comment »
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