Six winning teams of boys and girls come to London from all over the United Kingdom to compete for the title Young Scientists of the Year.

Paddy Feeny introduces

from the North East of Scotland
Aberdeen Grammar School
The water wheel up-to-date

from the West of Scotland
Glengowan Primary School
Balloons and the wind

from the South West
Homelands Technical High School
A home-made language laboratory

from the North of England
Leeds Central High School
Designing a radio telescope

from Northern Ireland
The winner of last week's programme either a survey on teeth; or the effect of detergent residues on plants; or bacteria in meat products

from the Midlands
Erdington Girls' Grammar School
Crease-resistance in the family wash

The Judges: Professor Eric Laithwaite, Dr. John Carthy, Professor George Porter

(See page 47)