What the Rocks Tell About New York in Ages Past
A compilation of the evidence that fishes occasionally fall from the sky
Processes to transform a diamond in the rough into the exquisite brilliant of commerce
How They Have Augmented the Food Supply of Mankind in Early and Recent Times
The genesis of the habitat group
Under Government and private protection bison have increased
His effort sent out the Lewis and Clark exploring party into the unknown West.
With a presentation of various first-hand data on the life histories and habits of the big game animals of Africa.
Research that lets us appreciate human individuality
With suggestions that Americans turn to economic account some of the smaller species of the Atlantic Coast
Even at an early evolutionary stage, bird-like dinosaurs occupied different niches in the same ecosystem,
Dung beetles use light from the MIlky Way to find their way
Recently identified subspecies ranges farther than first imagined: across Africa.
An archaeologist ponders the fate of Hoover Dam