We have all used cash but what exactly is it and do we still need it?
Why do some people expose themselves to risks and why are we so bad at assessing them?
The origins and history of chillies and why we eat a food that burns
What makes us draw, how do we get good at it and what do we reveal through our drawings?
How did beards evolve and what is their purpose?
Why do blue jeans have such global appeal?
How the Y chromosome transforms a female embryo to a male one
Why does television have such a powerful influence on our lives?
What does collecting of inanimate objects bring to our lives?
Why do we use jargon?