Feature

New Machines and Gadgets

“Cosmic Stopwatch” Splits Seconds Fine

“Pygmalion Effect” Noted in Patients

Danger from Plastics

Scale Rates Jobs by Energy Cost

Seniority Rules in Dairy Herd Society

Cut Bleeding Deaths

Front Matter

No Sore Tongue from Penicillin O

Supersonic Freon Gales

Nature Ramblings: Pinned with Magnesium

[Photograph]: Health Research Laboratory