Feature

Cylinder inside Cylinder Cuts Auto ‘Smog’ Exhaust

Dinosaur Remains Main Guest at Museum Dinner

Front Matter

TB Vaccine Succeeds

Nature Ramblings: Blue-Green Sleeping Beauty

Books of the Week

Russian Mining Method Sinks 10-Foot Hole Fast

Sugar Blamed for Ulcers

Cable-Laying “Ship” Built on Mountain

U. S. Science Material Aids Overseas Effort

Coffee: Natural or Synthetic?

Meter Tests Drunkenness