写真素材の検索結果

Professor and students photographing plant roots

Milton Whitney, American agronomist

Ulisse Aldrovandi, Italian scientist

Arthur Webster, US physicist

Carrie Derick, Canadian botanist and geneticist

Gaspard Bauhin, Swiss botanist

Edward Titchener, British psychologist

William McDougall, British psychologist

Professor Marechal, French chemist

Eunice Oberly, US science librarian

Extracting agave sap, early 20th century

Carl Barus, American physicist

Conyers Herring, American physicist

W. E. B. Du Bois, US sociologist and civil rights activist

Mary Alice McWhinnie, US biologist

Firman Bear, US soil scientist

Mathilde Lange, US geneticist

George Nuttall, US-British bacteriologist

Thomas Huxley, British biologist

Agnes Mary Claypole Moody, US zoologist

Robert Yerkes, US psychologist

Ernest Just, US biologist

Henri Bergson, French philosopher

Frank Tannenbaum, Austrian-US sociologist

Edward Bartow, US chemist

Clara H. Hasse, American botanist

Helen Kemp Porter, British botanist

Johanna Westerdijk, Dutch plant pathologist

Kathleen Mary Drew-Baker, British phycologist

Carolus Clusius, French botanist

Benjamin Smith Barton, American physician

Jean Caspar Bauhin, Swiss physician

Cold Spring Harbor Laboratory, 1950s

Henry Acland, British physician

Researcher watching from the crown of yayamadou tree

Eugene Peligot

Prof. William Odling, British chemist

Hermann Franz Moritz Kopp, German chemist

Henry Crew, US physicist

George Gabriel Stokes, British physicist

1620 Henry Saville founder Savilian Chair

Charles William Johnson, American microbiologist

Castor bean pod

Bertrand Goldschmidt, French physicist

Professor feeding lettuce to fish in an aquaponics system

Plantain and banana fruits, 19th century

Sugar cane experiment, 19th century

Robley Evans, US medical physicist

Colin Fink, US electrochemist

William Eichelberger, US astronomer

Carl Correns, German geneticist

Harold Stiles, British surgeon

William Thayer, US physician

Edward Forbes, British geologist

Ruth Colvin Starrett McGuire, US plant pathologist

McGill University's Medical Faculty, 1882

John Hopkins Hospital doctors

Irene Amy Patchett Smith, US anatomist

Irene Amy Patchett Smith, US anatomist

Farm buildings and fields, aerial view

Field of red cabbage

Otto Lummer lecturing on his 60th birthday, 1920

US maize geneticists, 1941

Lillien Jane Martin, US psychologist

Plant research

Ernst Haeckel, German naturalist

William Carruthers, Scottish botanist

Hemp farming, Michigan, USA

Hemp farming, Michigan, USA

Cassava plant, 16th century

Cross-bred soy bean plants

Trees with citrus greening disease

Effects of climate change on crops

Mary Constance Blair, US botanist

David Murray Gates, US physicist and ecologist

Harvesting potatoes

Harvesting potatoes

Harvested potatoes

Harvested garlic

Edward Knipling, US entomologist

Sowing crops on a collective farm, Ukraine, 1930s

Thomas Wright, British astronomer

Leopold Gmelin, German chemist

Biologist installing a camera in a Jacaranda copia tree

Fijian 'Cannibal Tom', 1900s

Mary Smith Griffith, gardening author

Garden mignonette flower, 20th century

Cobra plant flower, 20th century

Abutilon darwini flower, 20th century

Wild mignonette, 20th century

Canary creeper, 20th century

Sweet pea flower, 20th century

Busy lizzie flower, 20th century

Maze genetics research by McClintock, 1951

Testing Quilon water repellent, 1950s

Carl Stumpf, German psychologist

Clinton Merriam, US naturalist

Professor tending to plants growing in an aquaponics system

Johannes Stoeffler, German mathematician

Theodore William Richards, US chemist

Bertram Boltwood, US radiochemist

Jermain Creighton, US electrochemist

David Starr Jordan, US ichthyologist

William Osler, Canadian physician

William Osler, Canadian physician

Hubertus Strughold and space cabin simulator

Nathan Cobb, US zoologist

John Bartram, American botanist

Cauliflowers, allotment cultivation

Allotment cultivation

Allotment cultivation

Allotment cultivation

Wheat farming

Research on plant response to sound

Harvesting spinach

Harvesting red onions

Organic thyme farming

Bell pepper farming

Anatomical model of heart

Anatomical model of heart

Ernst Amberg, Swiss mathematician

A Curious Herbal (1737)

Idaho Potato Museum, USA

Mary Alice McWhinnie, US biologist

Tobacco field and drying house, Cuba

Sugar beet breeding research

Wheat grain, 19th-century illustration

Plant growth experiments, 19th century

Plant growth experiments, 19th century

Plant growth experiments, 19th century

Sugar beet experiments, 19th century

Plant research

Potato tuber and shoot

Mould on an orange, UV screening

Eugenics students, early 20th century

University of Chicago physicists, 1908

Emile Kuss, French physician

Corn poppy flowers

Edward Laurens Mark, US zoologist

Alexander Skene, US physician

William Osler, Canadian physician

Tobacco cultivation, 16th century

Joseph Hooker, British botanist

Cocoa pods, 19th-century illustration

Cocoa tree, 19th-century illustration

Naranjilla (Solanum quitoense)

Pearl millet (Pennisetum glaucum) grain heads

Tobacco (Nicotiana tabacum) crop

Fresh sweetcorn

Allotment companion flower planting

Allotment companion flower planting

Pear tree by an allotment shed

Blueberries (Vaccinium sp.)

Great Millet (Sorghum bicolor)

Sugar cane being burnt

Cotton boll

Melon field

Melon crop

Lettuce in a greenhouse

Lettuce crop

Lettuce in a greenhouse

Lettuce in a greenhouse

Lettuce in a greenhouse

Celery in a greenhouse

Celery in a greenhouse

Lettuce crop

Celery in a greenhouse

Celery in a greenhouse

Celery in a greenhouse

Scarecrow

Scarecrow

Country track

Ears of rye

Sisal crops

Safflower rust infection

Dew on a blade of grass, photographed by Wilson Bentley

Isometric professor lecture class background with editable text and indoor view of classroom with desk rows vector illustration

Plant research

Grain elevator and maize field

Isometric lecture class background with indoor scenery professor in front of blackboard and students with laptops vector illustration

Arthur Jeffrey Dempster, Canadian born American physicist

Soldiers of the Maharajah of Kashmir

Rubella vaccine research

Teissier and Sirks, Geneticists

Lerner and Ceppellini, Geneticists

Conrad Waddington, British geneticist

Bacteriology laboratory

Rockefeller Institute laboratory

Mary Jane Rathbun, US zoologist

Charlotte Gower Chapman, American anthropologist

Muriel A. Case, US biologist

N. Elizabeth Presho, US pharmacologist

Estrella Eleanor Carothers, American zoologist

Helen Redfield, American geneticist

Ida Mellen, American aquarist

Isabella Gordon, Scottish marine biologist

Phoebus Levene, Russian-US biochemist

Almroth Wright, British bacteriologist

Alice Freeland Maxwell, US obstetrician

Alice Freeland Maxwell, US obstetrician