Feature

Hot Waves Bring Northwest Grasshopper Invasion Menace

Female Gland Extract Checks Bleeders’ Disease in Males

Super-Giant Star Discovered in Large Cloud of Magellan

Copper Put into Auto Valves to Make Them Last Longer

[Photograph]: Good to Eat: And Safe

New Transmission System May Bring Power Greater Distances

Mastodon Remains Found in Turkey

Some Elements Yielded by Yttrium: “A Classic of Science”

Drinking Troughs Preserve Rare African Elephants

New Studies Cast Doubt on Cancer Treatment Value

In Science Fields

The Dog’s Family Tree