Feature

Find Well-Preserved Sloths in Cave Resembling Stable

Does Revenue Act Provide Federal Research Subsidy?

Locates Instinct Centers in Middle of Animal Brains

Nature Ramblings: Giants in the Sea

Single Plow Furrow Digs Deep Gully

First Glances at New Books

Fat Content of “Fossil” Bones Helps Fix Their Age

X-Rays Show Long past Injuries of Skull in Adults

First Glances at New Books

Front Matter

Milky Way Still in Infancy Judging by Mass Radiated

[Photograph]: For Training