Revision tips: Sniffing lemons and squeezing ears
A study suggests "positive triggers" like smelling lemons and squeezing your ears could help revision.
Neuroscientists looked at how teenage brains work to help optimise learning.
After working with Queen Anne’s School, near Reading, for around five years they came up with what they call "the ultimate revision guide".
It advises pupils not to study too late at night and try to revise at the same time of day at which exams are sat.