Because agriculture depends on bees to pollinate crops, a sudden drop in the bee population alarmed scientists and bee keepers. They began studying "colony collapse disorder," a phenomenon where bees mysteriously disappear from their hives. Excellent color photographs enhance this clear demonstration of the scientific process.
Rubber ducks and hockey gloves are just some of the flotsam that scientists have tracked across the seas to learn about ocean currents. This fascinating story shows how scientific inquiry often reveals startling realities and leads to surprising conclusions.
Growing up female in 1899 did not allow many choices. Callie, fortunately, has Grandpa and together they immerse themselves in natural science and forever change the course of Callie’s life. Ross’s performance makes Callie’s quest to become the woman she is meant to be a passionate and believable affair. Ages 10 -14.
The excavation work of forensic anthropologists is meticulously chronicled with photographs, diagrams, and period documents as the secrets of colonial-era burial sites are uncovered, offering up clues and insights into lives of the past.
Budding naturalists accompany Dr. Tyrone Hayes as he and his students, called the "Frog Squad", conduct research into the effects of pesticides on frog development. A lively narrative and vivid photographs convey the joy of scientific research.
Step by step, young readers learn how scientific research placed a 1974 fossil hominid into the family of man and his ancestors. Extensive research, clear organization, and intriguing graphics contribute to an accessible introduction to the mystery of human origins.
Few have seen the elegant white snow leopard in its Mongolian habitat of snow-covered mountains. But explorers and scientists faithfully trail this “ghost” by following its “scat,” hoping for the thrill of one day facing its rare beauty and strength.
Photos, engravings, and lively text describe Abraham Lincoln’s enthusiasm for new technology and, chapter by chapter, how he used each invention and the concept of total war, to win America’s Civil War in the 1860s.
Poems about three very different women born in 1867 who defied the rules of their time—Laura Ingalls Wilder, Madame C. J. Walker, and Marie Curie—explore their special and sometimes difficult relationships with their daughters—Rose Wilder Lane, A’Lelia Walker, and Irène Joliot-Curie.
Spare text and stunning watercolors in an oversized format convey the extraordinary effort it took to send men to the moon. The familiar moon in Earth's sky frames a story that contrasts the cramped interior of the rockets with the vastness of space.