Feature

Marco Polo Tales Become Fact through Research into History

Erratum: Eyeball Does Not Pivot Exactly on its Center

“Diplogen” Suggested as Heavy Hydrogen Name

Front Matter

First Glances at New Books

New Protein-Digesting Enzyme Found in Pancreas

Polarized Light Aids Observations at Sea

Variations in Light Speed Not Accepted by Scientists

Bison Blood Being Bred out of Wisent Hybrids

Hidden Temple Found within Mayan “Castle”

Crack in Earth Indicated by Radioactive Water

More War in World as Civilization Advances