Have fun with 22 safe and pup-friendly activities that let you work alongside your dog to discover what makes him tick. Learn to take your dog's pulse and find out how much blood is pumping through his body. Find out if your dog hears things you can't by making a dog whistle. What colors can your dog see? Is he color-blind? Each activity is paired with step-by-step instructions, clear and interesting scientific explanations, and cool photographs shot specifically for this book. Hands-on activities and fun information for budding scientists prompt further learning and offer a behind-the-scenes look at current canine research. When you are finished with the book you'll have a vet-worthy profile of the best canine companion on the planet—yours! This book is part of the National Geographic Kids Hands-on Science line which makes science fun and accessible.