Only a fraction show any awareness or intuition (5,5)
I believe the answer is:
sixth sense
'intuition' is the definition.
(sixth sense is a kind of intuition)
'only a fraction show any awareness' is the wordplay.
I cannot quite understand how this works, but
'fraction' could be 'sixth' (sixth is a kind of fraction) and 'sixth' is found in the answer.
'awareness' could be 'sense' (sense is a kind of awareness) and 'sense' is found in the answer.
No letters remain.
This explanation may well be incorrect...
'or' is the link.
Can you help me to learn more?
(Other definitions for sixth sense that I've seen before include "ESP" , "Ability to perceive by intuition, clairvoyance etc" , "Inexplicable instinct" , "Intuitive faculty" , "Intuition perhaps" .)