You have to travel half a distance to reach the full distance, therefore, how is it possible to reach the full distance? eg, to reach 1 mile you have to travel half, 1/2 mile, to reach the remaining hale mile you have to travel 1/4 mile, to reach 1/4 1/8 mile and so on?
Laurie Tingley
15-24
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Why do we have eyelashes?
Kendra
Thorold, Ontario, Canada
3-4 year old
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The earth rotates anticlockwise. Do all known planets (and suns?) rotate anticlockwise?
Derek Gouldsworthy
55+
Filed under: Astronomy Big Questions, Cosmology Big Questions, Physics Big Questions, Planetary Science Big Questions, Unanswered Big Questions | 1 Comment »
How do octopuses swim, change colour and texture?
alexandra reid
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If scientists know how the universe is made then what will happen from that – what kind of benefit would they get from it?
Navjot
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At what rate are stars being consumed by the black hole at the centre of the Milky Way galaxy?
steve w
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How fast do hummingbirds flap their wings?
becky
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Why is a killer whale called a killer whale when its actually a member of the dolphin family?
Zazza
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What greenhouse gases would change if there were no humans? And how?
Karisma
auckland
5-14years
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We all have a broad range of emotions. Am I correct in believing that each emotion has an evolutionary significance? If so is each of our emotions controlled by chemicals in the brain?
Richard Shepherdson
Filed under: Biology Big Questions, Brain Big Questions, Humanity Big Questions, Psychology Big Questions, Unanswered Big Questions | 1 Comment »
