How loud can your average middle-grader burp? Parents, librarians, and innocent bystanders are about to find out. This follow-up to the equally alluring WHY IS SNOT GREEN? tackles more of life's burn
How loud can you burp? Could we use animal poo to make electricity? Why is water wet, and is anything wetter than water? What's the deadliest disease in the world? What are clouds for? What's the diff
