Edited by Professor E. N. da C. Andrade, F.R.S.
' Facts about Fido.' by Professor A. 0. Rankine. o.b.e.. f.r.s. Operation Fido was concerned with clearing fogs from airfields. ' Science in Building,' by Professor J. D Bernal , F.R.S., Chairman of the Scientific Advisory, Committee to the Ministry of Works.