Global Warming

by Lyn Coutts

Published 19 October 2017
Extreme weather, shrinking glaciers, and dying coral reefs have resulted from global warming. Learn the science behind climate change and what we can do to correct it.

Machines

by Lyn Coutts

Published 19 October 2017
Enter a world of monster excavators, Mach 9.6 jets, deep-space probes, microscopic nanobots and more marvelous machines, and learn how they ve impacted our world.