Skip to main content Skip to Search Box
133 Topic Pages Found in Science and starting with the letter H
Details List
All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Open Haber, Fritz, 1868-1934
Haber, Fritz, 1868-1934

Place : Germany Subject : biography, chemistry German chemist who made contributions to physical chemistry and electrochemistry, but who is best

Haber process

Industrial process in which ammonia is manufactured by direct combination of its elements, nitrogen and hydrogen. The reaction is carried out at

Open Habitat (Ecology)
Habitat (Ecology)

HABITAT IS THE environment in which natural or human species live. In all cases, a habitat is an area where an individual or population exists or can

Haeckel, Ernst, 1834-1919

Place: Germany Subject : biography, biology German zoologist well known for his genealogical trees of living organisms and for his early support of


( hăf'nēəm ), metallic chemical element; symbol Hf; at. no. 72; at. wt. 178.49; m.p. about 2,227 degrees Celsius; b.p. 4,602 degrees Celsius; sp. gr.

Hahn, Otto, 1879-1968

Place : Germany Subject : biography, physics German radiochemist who discovered nuclear fission. For this achievement he was awarded the 1944 Nobel

Open Hair

slender threadlike outgrowth from the skin of mammals. In some animals hair grows in dense profusion and is called fur or wool . Although all mammals

Haldane, J. B. S. (John Burdon Sanderson), 1892-1964

Place : United States of America Subject : biography, biology English-born Indian physiologist famous also for his work in genetics. Haldane was born

Hale, George Ellery, 1868-1938

US astronomer. He made pioneer studies of the Sun and founded three major observatories. In 1889 he invented the spectroheliograph, a device for

Hales, Stephen, 1677-1761

English scientist who studied the role of water and air in the maintenance of life. He gave accurate accounts of water movement in plants. He