Feature

Earth’s Oldest Man Now Two Million Years Old

[Photograph]: Cold Climate

Orbiting Reactor Works

Men Quit Smoking Easier

[Photograph]: Early Tool

Satellites Locate Bumps on Pear-Shaped Earth

Doctors Are Reading

Light Wave Measures Heat and Density

African Tribal Discards Now Museum Treasure

Bering Strait Studied as Land and Sea

Dog Response like Man’s

One in 413 Meteors Has Asteroid Origin