Feature

4,000 Earthquakes a Year Is Average for Japan

Guatemala Highland Tombs Enclose Rulers, Dog and Slaves

Heart Failure Explained by Deranged Cell Chemistry

Attempt to Save Orang, Python and Dragon-Lizard

Nature Ramblings: Breadfruit’s Cousin

Front Matter

New Cosmic Ray Device Nears Completion at U. of Chicago

Agricultural Prospects Very Dark for 1936

“Blanks” Occur in Mind Several Times a Minute

Tiny “Nearest” Planets Are Given Classical Names

An Athlete’s Knee Is His Most Vulnerable Spot

Cannibalistic Enemies among Corn Ear Worms