Karen Pryor, Guru of Positive Reinforcement, Is Dead at 92
Karen Pryor once taught a hermit crab to ring a bell by pulling a string with its claw. She taught a cat to play the piano (ham was involved) and,…
What Kind of Dog Poop Bags Should I Use?
Americans own around 90 million dogs. They provide companionship, reduce stress and help us stay active. They also produce about 12.2 million tons of waste per year. Most of it…