Feature

Water Is Crystalline

Cannot Tell Human from Monkey Blood Stain

New Machines and Gadgets

Nature Ramblings: Aquatic Aristocrats

Front Matter

Secret Hormone Source

Should Acidify Drops

Medicine Saves New-Born Calves

Foresee Conquest of African Cattle Plague

‘Flu Epidemic Expected

Sugar Plantations to See Cane Flow on TV

Seven Giraffe Births in Captivity Is Record