In the mid- to late-19th century, science gripped the public imagination. Literacy rates were rising, feeding demand for books. Theories, put forward in books like Charles Darwin's Origin of Species, ...

American Journal of Botany, Vol. 34, No. 10 (Dec., 1947), pp. 545-550 (6 pages) The isolated spinach chloroplast, as studied with the electron microscope, contains some forty to sixty bodies, the ...

Life as we know it wouldn’t be possible without chloroplasts — those tiny, bean-shaped structures inside plant and algae cells that harness the sun’s energy to turn water and carbon dioxide into ...