Feature

An Ape for a Baby Sister

Front Matter

Nature Ramblings: Hospitality to ‘Hoppers

Ancient Aztec Capital Being Dug out beneath Mexico City

Plant and Ants Cooperate to Destroy Grasshoppers

Famine Stalks after Floods on Tragic Plains of China

Gold Soaks up Water and Gets Hot

Century-Old Collection Yields New Plant Species

Discoverer Tells How He Found Stellar Flareup

Two Mental Diseases Really Five, Statistical Study Shows

Seeds Undrowned after 23 Years under Water

Free of Ice, Northern Lands Appear to Be Tilting