$9.50 $7.50
Why do we wear spectacles?
Why do leaves have veins?
Why do crabs spew out bubbles?
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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