Author

Mark Denny

Mark Denny is the author of Lights On! The Science of Power Generation (2013); The Science of Navigation: From Dead Reckoning to GPS (2012); Their Arrows Will Darken the Sun: The Evolution and Science of Ballistics (2011); Super Structures: The Science of Bridges, Buildings, Dams, and Other Feats of Engineering (2010); and Blip, Ping, and Buzz: Making Sense of Radar and Sonar (2007).

Recent Stories

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.

Wallacea Woman

Genomic evidence shows that Denisovans and modern humans may have overlapped in Wallacea.