Feature

UNESCO to Promote World Exchange of Publications

Tail of a Running Lizard Serves as a Balance

England Wants to Improve Detergents from Petroleum

Servo-Mechanism Control

Yellowstone Swan Census Shows Substantial Gain

Equinox Brings Fall Stars

Trucks and Buses Don’t Need Special Gasolines

“Dawn Redwood” Pollen Found in Scottish Coal

“Daily Diary in Dust” Written by New Device

New Profession Pioneered

Ocean Weather Stations

Gadget Prevents Swaying of Plane’s Tail in Flight