Humans have long looked up the stars in wonder
and asked difficult and probing questions about the world we live in: where did
we come from, why are we here, where are we going? Below are a list of some of
other puzzling questions about ourselves and the universe that humans have
sought to answer:
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Do other planets have moons?
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What causes diseases?
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What is it that all living
things have in common?
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What is light?
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What happens to us when we
die?
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Did strange creatures ever
walk the earth?
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Why do earthquakes occur?
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How does blood move around
the body?
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Have humans always existed?
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Why does anything exist at
all?
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Why do children resemble
their parents?
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Why do certain metals attract
one another?
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Can we know anything for
certain?
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How old is the earth?
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Why are kangaroos only found
in Australia?
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Why are certain diseases
unavoidable?
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Have
humans always lived together?
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Does
every effect have a cause?
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Should
we dissect animals?
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How
do animals move?
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How
are mountains formed?
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What
is existence?
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Why
do batteries affect a compass?
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Can
a person think without a brain?
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Is
the earth the centre of the universe?
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What
is everything made of?
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