Relating the cycle of requests a mouse is likely to make after you give him a cookie takes the reader through a young child's day.

Ideas, products, messages and behaviors "spread just like viruses do." Behavior can ripple outward until a critical mass or "tipping point" is reached, changing the world. Gladwell develops these and other concepts (such as the "stickiness" of ideas or the effect of population size on information dispersal) through simple, clear explanations and entertainingly illustrative anecdotes.

"In Germ Theory, readers will learn about the science behind the discovery of germ theory and how germs spread. Vibrant, full-color photos and carefully leveled text will engage readers as they learn more about the challenges overcome to discover germ theory and how this super science feat influences our world today, from COVID-19 to the seasonal flu. A Take a Look! infographic aids understanding, sidebars present interesting, supplementary information,...

A little boy offers a mouse a cookie and a chain reaction is set in motion, illustrating how one thing leads to another.

Inspired by true events, this is a harrowing and enchanting story of how one man's act of mercy during World War II changed the lives of strangers, and how they each discover the astonishing truth of their connection. Whether they are pursued by Nazi soldiers, old age, shame, deformity, disease, or regret, the characters in this utterly compelling novel discover in their, darkest moments of fear and isolation that they are not alone, that they were...

The body is a fortress under constant assault. It faces threats from infectious diseases, parasites, allergens, environmental toxins, physical trauma, and natural disasters from without, to overzealous allergic, immune, and inflammatory responses, and cellular mutations from within. This course is an introduction to the field of pathophysiology--the study of the disruptions in a normal body's functions caused by disease or injury. Beginning with an...