Senses

What do the other planets smell like? © Getty Images

What do the other planets smell like?

If we only have one trachea, why do we have two nostrils? © Getty Images

If we only have one trachea, why do we have two nostrils?

Amazing animal super senses © Getty Images

Amazing animal super senses

How do we know when something is wet? © Getty Images

How do we know when something is wet?

Why do we get used to smells? © iStock

Why do we get used to smells?

What gives substances their scent? © Getty Images

Everyday science

What gives substances their scent?

Do animals other than dogs cock their legs to wee? © Getty ImagesDo animals other than dogs cock their legs to wee? © Getty Images

Do animals other than dogs cock their legs to wee?

Why does the smell of burnt toast linger? © Getty Images

Everyday science

Why does the smell of burnt toast linger?

How do animals recognise other members of their own species? © Getty Images

How do animals recognise other members of their own species?

Why does salt enhance flavour? © Getty Images

Everyday science

Why does salt enhance flavour?

Why does eating a mint make my breath feel cold? © iStock

Why does eating a mint make my breath feel cold?

What do mountain dogs actually smell? © Getty Images

What do mountain rescue search dogs actually smell?

Does Nintendo DS Sight Training really improve sight? © Getty Images

Everyday science

Does Nintendo DS Sight Training really improve sight?

Why can I smell solids as well as liquids and gases? © Getty Images

Everyday science

Why can I smell solids as well as liquids and gases?

Can a worm cut in half sense anything? © Getty Images

Can a worm cut in half sense anything?