"Fun with Nature" helps kids discover the incredible world in their backyards. Includes the bestselling titles: "Caterpillars, Bugs and Butterflies"; "Frogs, Toads and Turtles"; "Snakes, Salamanders and Lizards"; "Rabbits, Squirrels and Chipmunks"; "Tracks, Scats and Signs"; and "Trees, Leaves and Bark". This entertaining book is filled with fascinating facts and awesome activities.
"Fun with Nature" helps kids discover the incredible world in their backyards. Includes the bestselling titles: "Caterpillars, Bugs and Butterflies"; ...
It was August 27, 1885. In a hospital in Lima, Peru, a student named Daniel Carrion was preparing to infect himself with a dreaded disease . . . He had a small, sharp lancet ready . . . Carrion's friends and teacher from the medical school thought it was a bad idea. They knew Carrion was eager to learn more about this mysterious disease. But were the risks worth it?
Science and medicine from the inside out-ten engrossing stories of self-experimentation
Who are these "guinea pig scientists"? Searching for clues to some of science's and...
It was August 27, 1885. In a hospital in Lima, Peru, a student named Daniel Carrion was preparing to infect himself with a dreaded disease . . ....
