Author

Laurence A. Marschall

Laurence A. Marschall is W.K.T. Sahm Professor of Physics at Gettysburg College in Pennsylvania, and coauthor, with Stephen P. Maran, of Galileo’s New Universe: The Revolution in Our Understanding of the Cosmos, published by BenBella Books.

Recent Stories

Nigeria Tells Its Own Natural History

A nation is deﬁned by what it preserves.

Salmon

The way they live, the food they eat, and the effect on us

The Story of Gosling Sandhill

A true but unlikely tale

Story and Photographs by William Rowan

Oxygenation Stutter Steps

Increasing day length on the early Earth boosted oxygen released by photosynthetic cyanobacteria.