Ergebnis für "David North" in Wissenschaft & Technik

This volume, aimed at the general audience, presents life and times of the amazing animals that inhabited Earth more than 500 million years ago. The Cambrian Period was a critical time in Earth's history. During this immense span of time nearly every modern group of animals appeared. Although life had been around for more than 2 million millennia, Cambrian rocks preserve the record of the first appearance of complex animals with eyes, protective skeletons, antennae, and complex ecologies.

From bestselling author James Raffan comes an enlightening and original story about a polar bear’s precarious existence in the changing Arctic, reminiscent of John Vaillant’s The Golden Spruce. Nanurjuk, “the bear-spirited one,” is hunting for seals on Hudson Bay, where ice never lasts...

Recently recovered from his epic bicycle journey that took him from the Delaware shore to the Oregon coast, distinguished climate scientist David Goodrich sets out on his bike again to traverse the Western Interior Seaway - an ancient ocean that once spread across half of North America. When the waters cleared a geologic age ago, what was left behind was vast flat prairie, otherworldly rock formations, and oil shale deposits.

Bestselling author David Gessner’s wilderness road trip inspired by America’s greatest conservationist, Theodore Roosevelt, is “a rallying cry in the age of climate change” (Robert Redford). “Leave it as it is,” Theodore Roosevelt announced while viewing the Grand Canyon for the...