Best-selling author Bill Robertson takes a fresh approach to chemistry fundamentals by helping you understand them from the ground up. Instead of hounding you to memorize the characteristics of atoms and the periodic table, Chemistry Basics will help you see those characteristics as a natural consequence
Word frequency plays a prominent role in many scientific and applicational fields. The book presents innovative methods in research and new results important for language and text characterization. Based on a general theory, surprising interrelations are shown between word frequency and other linguistic properties. Interrelations between previously known methods and new characteristics such as the h-point and other measures developed in the book are investigated. Furthermore, new statistical tests are introduced.
Technology, collective work, military strategy, advanced communications network, an astute and rational hierarchy, discipline, perfect city planning… These are fields where human beings may not always be successful enough, but where the ants always are. When you look at these creatures, which are fully armed to defeat tough rivals and to endure the difficult conditions of nature, you may think that all of them are identical.
Discovery School - Jeff Corwin Experience: Elephants
What distinguishes African elephants from their Asian relatives? Travel from Tanzania and Botswana to Borneo and Thailand to discover the shared and distinguishing physical and behavioral characteristics of these large mammals.
Vivid, eye-popping photos and clear, grade-appropriate text will engage emergent and early readers as they learn about the natural habitat, physical characteristics, diet, and behavior of this unique invertebrate
