$9.50 $7.50
Why do our feet stink?
Why are fleas able to jump so high?
Why do earthquakes happen?
Why…
Why this? Why that? There are many questions one can easily ask but hard to get the right answers. Come to think of it, there are many scientific mysteries hidden in our everyday life.
$9.50 $7.50
$9.50 $7.50
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