Illustration of the structure of Orchis Pyramidalis from Charles Darwin's 'On the various contrivances by which British and foreign orchids are fertilised by insects: and on the good effects of intercrossing' (1862). The complex mechanisms which orchids have evolved to achieve cross-pollination were investigated by Charles Darwin (1809-1882) and described in his 1862 book Fertilisation of Orchids. Orchids have developed highly specialized pollination systems, thus the chances of being pollinated are often scarce, so orchid flowers usually remain receptive for very long periods, and most orchid Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/illustration-of-the-structure-of-orchis-pyramidalis-from-charles-darwins-on-the-various-contrivances-by-which-british-and-foreign-orchids-are-fertilised-by-insects-and-on-the-good-effects-of-intercrossing-1862-the-complex-mechanisms-which-orchids-have-evolved-to-achieve-cross-pollination-were-investigated-by-charles-darwin-1809-1882-and-described-in-his-1862-book-fertilisation-of-orchids-orchids-have-developed-highly-specialized-pollination-systems-thus-the-chances-of-being-pollinated-are-often-scarce-so-orchid-flowers-usually-remain-receptive-for-very-long-periods-and-most-orchid-image352834764.html
RM2BE109G–Illustration of the structure of Orchis Pyramidalis from Charles Darwin's 'On the various contrivances by which British and foreign orchids are fertilised by insects: and on the good effects of intercrossing' (1862). The complex mechanisms which orchids have evolved to achieve cross-pollination were investigated by Charles Darwin (1809-1882) and described in his 1862 book Fertilisation of Orchids. Orchids have developed highly specialized pollination systems, thus the chances of being pollinated are often scarce, so orchid flowers usually remain receptive for very long periods, and most orchid
Illustration of the structure of Orchis Pyramidalis from Charles Darwin's 'On the various contrivances by which British and foreign orchids are fertilised by insects: and on the good effects of intercrossing' (1862). The complex mechanisms which orchids have evolved to achieve cross-pollination were investigated by Charles Darwin (1809-1882) and described in his 1862 book Fertilisation of Orchids. Orchids have developed highly specialized pollination systems, thus the chances of being pollinated are often scarce, so orchid flowers usually remain receptive for very long periods, and most orchid Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/illustration-of-the-structure-of-orchis-pyramidalis-from-charles-darwins-on-the-various-contrivances-by-which-british-and-foreign-orchids-are-fertilised-by-insects-and-on-the-good-effects-of-intercrossing-1862-the-complex-mechanisms-which-orchids-have-evolved-to-achieve-cross-pollination-were-investigated-by-charles-darwin-1809-1882-and-described-in-his-1862-book-fertilisation-of-orchids-orchids-have-developed-highly-specialized-pollination-systems-thus-the-chances-of-being-pollinated-are-often-scarce-so-orchid-flowers-usually-remain-receptive-for-very-long-periods-and-most-orchid-image352826391.html
RM2BE0HJF–Illustration of the structure of Orchis Pyramidalis from Charles Darwin's 'On the various contrivances by which British and foreign orchids are fertilised by insects: and on the good effects of intercrossing' (1862). The complex mechanisms which orchids have evolved to achieve cross-pollination were investigated by Charles Darwin (1809-1882) and described in his 1862 book Fertilisation of Orchids. Orchids have developed highly specialized pollination systems, thus the chances of being pollinated are often scarce, so orchid flowers usually remain receptive for very long periods, and most orchid
Abraham Jacobi (1830-1919) was a pioneer of pediatrics, opening the first children's clinic in the United States. To date, he is the only foreign born president of the American Medical Association. Civic work was an important part of his life. He advocate Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-abraham-jacobi-1830-1919-was-a-pioneer-of-pediatrics-opening-the-first-104002572.html
RMG15M9G–Abraham Jacobi (1830-1919) was a pioneer of pediatrics, opening the first children's clinic in the United States. To date, he is the only foreign born president of the American Medical Association. Civic work was an important part of his life. He advocate
Ilya Ilyich (Eli) Mechnikov (1845-1916), Russian biologist, at work in his laboratory. In Italy in 1872, he studied the transparent larvae of starfish, noticing that some cells were able to engulf and digest foreign particles. He called these cells 'phago Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-ilya-ilyich-eli-mechnikov-1845-1916-russian-biologist-at-work-in-his-103985958.html
RMG14Y46–Ilya Ilyich (Eli) Mechnikov (1845-1916), Russian biologist, at work in his laboratory. In Italy in 1872, he studied the transparent larvae of starfish, noticing that some cells were able to engulf and digest foreign particles. He called these cells 'phago
Step two of a six-step sequence of the death of a cancer cell. A buffy coat containing red blood cells, lymphocytes and macrophages is added to the bottom of the membrane. A group of macrophages identify the cancer cell as foreign matter and start to stick to the cancer cell, which still has its spikes. Photo magnification: 4000x Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/step-two-of-a-six-step-sequence-of-the-death-of-a-cancer-cell-a-buffy-coat-containing-red-blood-cells-lymphocytes-and-macrophages-is-added-to-the-bottom-of-the-membrane-a-group-of-macrophages-identify-the-cancer-cell-as-foreign-matter-and-start-to-stick-to-the-cancer-cell-which-still-has-its-spikes-photo-magnification-4000x-image352825911.html
RM2BE0H1B–Step two of a six-step sequence of the death of a cancer cell. A buffy coat containing red blood cells, lymphocytes and macrophages is added to the bottom of the membrane. A group of macrophages identify the cancer cell as foreign matter and start to stick to the cancer cell, which still has its spikes. Photo magnification: 4000x
John Fowler, 1st Baronet (July 15, 1817 - November 20, 1898) was an English civil engineer specializing in the construction of railways and railway infrastructure. In the 1850s and 1860s, he was engineer for the world's first underground railway, London's Metropolitan Railway, built by the cut-and-cover method under city streets. In the 1880s, he was chief engineer for the Forth Railway Bridge, which opened in 1890. Fowler's was a long and eminent career, spanning most of the 19th century's railway expansion, and he was engineer, adviser or consultant to many British and foreign railway compan Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/john-fowler-1st-baronet-july-15-1817-november-20-1898-was-an-english-civil-engineer-specializing-in-the-construction-of-railways-and-railway-infrastructure-in-the-1850s-and-1860s-he-was-engineer-for-the-worlds-first-underground-railway-londons-metropolitan-railway-built-by-the-cut-and-cover-method-under-city-streets-in-the-1880s-he-was-chief-engineer-for-the-forth-railway-bridge-which-opened-in-1890-fowlers-was-a-long-and-eminent-career-spanning-most-of-the-19th-centurys-railway-expansion-and-he-was-engineer-adviser-or-consultant-to-many-british-and-foreign-railway-compan-image246622273.html
RMT96H69–John Fowler, 1st Baronet (July 15, 1817 - November 20, 1898) was an English civil engineer specializing in the construction of railways and railway infrastructure. In the 1850s and 1860s, he was engineer for the world's first underground railway, London's Metropolitan Railway, built by the cut-and-cover method under city streets. In the 1880s, he was chief engineer for the Forth Railway Bridge, which opened in 1890. Fowler's was a long and eminent career, spanning most of the 19th century's railway expansion, and he was engineer, adviser or consultant to many British and foreign railway compan
#6 in a six-step sequence of the death of a cancer cell. A cancer cell has migrated through the holes of a matrix coated membrane from the top to the bottom, simulating natural migration of a invading cancer cell between, and sometimes through, the vascular endothelium. Notice the spikes or pseudopodia that are characteristic of an invading cancer cell (1). A buffy coat containing red blood cells, lymphocytes and macrophages is added to the bottom of the membrane. A group of macrophages identify the cancer cell as foreign matter and start to stick to the cancer cell, which still has its spikes Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/6-in-a-six-step-sequence-of-the-death-of-a-cancer-cell-a-cancer-cell-has-migrated-through-the-holes-of-a-matrix-coated-membrane-from-the-top-to-the-bottom-simulating-natural-migration-of-a-invading-cancer-cell-between-and-sometimes-through-the-vascular-endothelium-notice-the-spikes-or-pseudopodia-that-are-characteristic-of-an-invading-cancer-cell-1-a-buffy-coat-containing-red-blood-cells-lymphocytes-and-macrophages-is-added-to-the-bottom-of-the-membrane-a-group-of-macrophages-identify-the-cancer-cell-as-foreign-matter-and-start-to-stick-to-the-cancer-cell-which-still-has-its-spikes-image352825987.html
RM2BE0H43–#6 in a six-step sequence of the death of a cancer cell. A cancer cell has migrated through the holes of a matrix coated membrane from the top to the bottom, simulating natural migration of a invading cancer cell between, and sometimes through, the vascular endothelium. Notice the spikes or pseudopodia that are characteristic of an invading cancer cell (1). A buffy coat containing red blood cells, lymphocytes and macrophages is added to the bottom of the membrane. A group of macrophages identify the cancer cell as foreign matter and start to stick to the cancer cell, which still has its spikes
Device for acoustic localizing of metallic parts in the human body. Victorian physician with wounded patient, with a bullet in the body. Toward the end of the 19th century, many scientists and engineers used their growing knowledge of electrical theory in Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-device-for-acoustic-localizing-of-metallic-parts-in-the-human-body-104018216.html
RMG16C88–Device for acoustic localizing of metallic parts in the human body. Victorian physician with wounded patient, with a bullet in the body. Toward the end of the 19th century, many scientists and engineers used their growing knowledge of electrical theory in
Fellini, photographed in 1965 by Walter Albertin. Federico Fellini (January 20, 1920 - October 31, 1993) was an Italian film director and scriptwriter. Known for a distinct style that blends fantasy and baroque images, he is considered one of the most inf Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-fellini-photographed-in-1965-by-walter-albertin-federico-fellini-january-103984205.html
RMG14TWH–Fellini, photographed in 1965 by Walter Albertin. Federico Fellini (January 20, 1920 - October 31, 1993) was an Italian film director and scriptwriter. Known for a distinct style that blends fantasy and baroque images, he is considered one of the most inf
Racist Advertisement for Soap Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-racist-advertisement-for-soap-135041735.html
RMHRKK33–Racist Advertisement for Soap
Ernest Hemingway, American Author Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-ernest-hemingway-american-author-135089895.html
RMHRNTF3–Ernest Hemingway, American Author
Boxer Rebellion Prisoner in Cangue, 1900 Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-boxer-rebellion-prisoner-in-cangue-1900-135094870.html
RMHRP2TP–Boxer Rebellion Prisoner in Cangue, 1900
Ernest Hemingway, American Author Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-ernest-hemingway-american-author-134945951.html
RMHRF8X7–Ernest Hemingway, American Author
Girard Desargues, French Mathematician Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-girard-desargues-french-mathematician-135042500.html
RMHRKM2C–Girard Desargues, French Mathematician
Entitled: 'Junk flotilla on the Peiho River - transporting U.S. Army stores from Tientsin to Peking, China.' The Boxer Rebellion was lead by a Chinese secret organization called the Society of the Righteous and Harmonious Fists against the spread of Weste Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-entitled-junk-flotilla-on-the-peiho-river-transporting-us-army-stores-104019884.html
RMG16EBT–Entitled: 'Junk flotilla on the Peiho River - transporting U.S. Army stores from Tientsin to Peking, China.' The Boxer Rebellion was lead by a Chinese secret organization called the Society of the Righteous and Harmonious Fists against the spread of Weste
Christian Refugees, Boxer Rebellion, 1900 Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-christian-refugees-boxer-rebellion-1900-135094868.html
Ernest Hemingway, American Author Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-ernest-hemingway-american-author-134945174.html
RMHRF7XE–Ernest Hemingway, American Author
U.S. Infantry Occupy Forbidden City, 1900 Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-us-infantry-occupy-forbidden-city-1900-135094866.html
RMHRP2TJ–U.S. Infantry Occupy Forbidden City, 1900
U.S. Infantry Occupy Forbidden City, 1900 Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-us-infantry-occupy-forbidden-city-1900-135094867.html
RMHRP2TK–U.S. Infantry Occupy Forbidden City, 1900
WWI, 4th Liberty Loan Drive, 1918 Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-wwi-4th-liberty-loan-drive-1918-135092145.html