Throughout the four hundred thousand years that humanity has been collecting fossils, sea uichin [echinoid] fossils have continually been among the most prized, from the Paleolithic era, when they dec
Makes the question of dark matter, and an explanation of the possible solutions, accessible to non-scientistsDetails how dark matter is in itself one of the most profound questions ever faced by scien
The It's True! series of nonfiction feature breezy writing and quirky cartoons designed to capture and hold the interest of preteens. We Came from Slime looks at prehistoric animals from plant-like g
From the first microscopic forms of life to the evolution of the first animals crawling and swimming in the oceans; from feathered dinosaurs to whales with legs; from the first flower to the first hum
