Feature

Oil Can Be Stored Five Years in Tropics

Tame H-Bomb Reaction

Shark with 114 Embryos Is “Obstetrical” Marvel

Nature Ramblings: Spring without Blossoms

In Science Fields

Snipped Ear “Springs” Beautify Appearance

[Photograph]: Tailor-Made Glass

Space: USA-22; USSR-6

Trachoma Vaccine Effective

“Saucers” Explained

Optical Inspector Probes Hard-to-Get-at Interiors

Original Antigenic Sin