Walt Brody

• How Submarines Work
• Capybaras
• Chinese Giant Salamanders
• Creepy UFOs
• How Is a Bandage Like a Worm?
• How Is a Building Like a Termite Mound?
• How Is a Ship Like a Shark?
• How Is a Turbine Like a Whale Fin?
• How Military Helicopters Work
• How Tanks Work
• Japanese Spider Crabs
• Scary Vampires