1348-2336 - Two clowns from the Hopiclowns association, perform in a home for disabled adults in Geneva, Switzerland.

1348-2337 - Two clowns from the Hopiclowns association, perform in a home for disabled adults in Geneva, Switzerland.

1348-2333 - Two clowns from the Hopiclowns association, perform in a home for disabled adults in Geneva, Switzerland.

1348-2331 - Two clowns from the Hopiclowns association, perform in a home for disabled adults in Geneva, Switzerland.

1348-2338 - Two clowns from the Hopiclowns association, perform in a home for disabled adults in Geneva, Switzerland.

1348-2335 - Two clowns from the Hopiclowns association, perform in a home for disabled adults in Geneva, Switzerland.

1348-2334 - Two clowns from the Hopiclowns association, perform in a home for disabled adults in Geneva, Switzerland.

1348-2332 - Two clowns from the Hopiclowns association, perform in a home for disabled adults in Geneva, Switzerland.

1349-942 - Icy Surface of Enceladus, Moon of Saturn

1349-1094 - Alzheimer's Disease, Mitochondrial Damage

1349-933 - Rhea, Moon of Saturn, Cassini Image

1349-1101 - Healthy Human Brain

1349-1096 - Alzheimer's Disease, Neuro-Degeneration

1349-990 - Retina, Photoreceptors

1349-935 - Exoplanet Kepler-186f

1349-1100 - Early Onset AD: DNA, Chromosomes and Genes

1349-1097 - Alzheimer's Disease, Dying Neuron

1349-1109 - PET Scan, Normal and OCD Brain

1349-1099 - Alzheimer's Disease, Healthy vs. Severe

1349-994 - Anthrax Bacteria, SEM

1349-963 - Transit of Saturn's Moon, Dione

1349-907 - Orion Nebula, Hubble Space Telescope

1349-1107 - Neural Fibers in Human Brain

1349-1095 - Alzheimer's Disease, Mitochondrial Dysfunction

1349-1093 - Neurons in the Brain

1349-1098 - Alzheimer's Disease, Mutant Presenilin Genes

1349-1092 - Alzheimer's Disease

1349-960 - Jupiter's Southern Hemisphere

1349-971 - Saturn's North Pole, Hexagonal Jet Stream

1349-1026 - Oxytricha trifallax

1349-951 - Exoplanet Kepler-186 and the Solar System

1349-970 - Saturn's Moon, Mimas

1349-1110 - Chromosomes and DNA Double Helix

1349-1108 - Human Brain, Surface Mapping

1349-126 - Saturn's Ring with Titan and Epimetheus

1116-49672 - A research diver from the MOC Marine Institute glues broken coral back together at Molokini Marine Preserve off the island of Maui, Hawaii. The coral is tagged and will be monitored, Maui, Hawaii, United States of America

1116-49671 - Research divers from the MOC Marine Institute map out coral damage at Molokini Marine Preserve off the island of Maui, Hawaii. In the future, data from here will help to determine the health of Hawaii's reefs, Maui, Hawaii, United States of America

1116-49673 - Research divers from the MOC Marine Institute glue broken coral heads back together and map out coral damage at Molokini Marine Preserve off the island of Maui, Hawaii. In the future, data from here will help to determine the health of Hawaii's reefs, Maui, Hawaii, United States of America

1343-72 - A baby kiwi bird chick next to the egg that he hatched from, Smithsonian National Zoo's Conservation Institute, Virginia, United States of America, North America

1245-1958 - The Institute of Jamaica Museum, Downtown, Kingston, Kingston Parish, Jamaica, West Indies, Caribbean, Central America

1245-1957 - Institute of Jamaica, Downtown, Kingston, Kingston Parish, Jamaica, West Indies, Caribbean, Central America

832-384530 - Federal Research Institute for Animal Health, aerial view, Riems Island, Mecklenburg-Western Pomerania, Germany, Europe

1176-1228 - Exterior of the Francis Crick Institute, one of the largest medical research centres in Europe, Kings Cross, London, England, United Kingdom, Europe

1176-1207 - The Francis Crick Institute biomedical research centre, with St. Pancras railway station in the background, King's Cross, London, England, United Kingdom, Europe

1116-44617 - Tangier Medina American Legation, Tangier, Morocco

844-19914 - View of United States Institute of Peace, Washington D.C., United States of America, North America

1292-1398 - Art Institute of Chicago, Chicago, Illinois, United States of America, North America

1292-822 - Istitute du Monde Arabe, Paris, France, Europe

857-95583 - Quartier de la Sorbonne is 20th administrative district or quartier of Paris, France. It is located in 5th arrondissement of Paris, near jardin du Luxembourg and Sorbonne, on Montagne Sainte-Genevieve, Paris, Ile-de-France, France

832-380157 - National Geographic Institute, Plaza de Espana, Seville, Spain, Europe

832-380156 - National Geographic Institute, Plaza de Espana, Seville, Spain, Europe

857-95093 - Silhouette of runner resting at sunset on La Jolla Shores Beach near Scripps Institute of Oceanography Pier, San Diego, California, USA

1262-168 - The Norbulingka Tibetan Institute of Tibetan Arts and Culture, Dharamsala, Himachal Pradesh, India, Asia

1262-169 - The Norbulingka Tibetan Institute of Tibetan Arts and Culture, Dharamsala, Himachal Pradesh, India, Asia

1262-170 - Thangka painting at the Norbulingka Tibetan Institute of Tibetan Arts and Culture, Dharamsala, Himachal Pradesh, India, Asia

1262-171 - The Buddhist temple of the Norbulingka Tibetan Institute of Tibetan Arts and Culture, Dharamsala, Himachal Pradesh, India, Asia

1262-172 - Dalai Lama painting, the Norbulingka Tibetan Institute of Tibetan Arts and Culture, Dharamsala, Himachal Pradesh, India, Asia

1243-243 - Inhotim Institute, a museum and contemporary art museum as well as a botanic garden located in Brumadhino, Minas Gerais, Brazil, South America

1243-242 - Inhotim Institute, a museum and contemporary art museum as well as a botanic garden located in Brumadhino, Minas Gerais, Brazil, South America

1243-246 - Inhotim Institute, a museum and contemporary art museum as well as a botanic garden located in Brumadhino, Minas Gerais, Brazil, South America

1243-244 - Inhotim Institute, a museum and contemporary art museum as well as a botanic garden located in Brumadhino, Minas Gerais, Brazil, South America

1243-245 - Inhotim Institute, a museum and contemporary art museum as well as a botanic garden located in Brumadhino, Minas Gerais, Brazil, South America

1267-105 - Polar Museum at the Scott Polar Research Institute, part of the University of Cambridge, Cambridgeshire, England, United Kingdom, Europe

1196-299 - Monks at Lelung Monastic Institute studying Tibetan, Namchi, South Sikkim, India, Asia

746-32652 - IASMA agricultural Institute, San Michele All'Adige, Trentino Alto Adige, Italy

1175-444 - View of Swiss Federal Institute of Technology in Lausanne, Lake Geneva, Switzerland

1175-554 - View of Swiss Federal Institute of Technology in Lausanne, Lake Geneva, Switzerland

1178-10833 - Franklin Institute

1178-10832 - Franklin Institute

1178-10831 - Franklin Institute

1178-10834 - Franklin Institute

1178-8895 - Franklin Institute

1178-8149 - USA, Illinois, Chicago, Train passing Illinois Institute of Technology

809-6308 - Quran from the 15th century in India, Institut du Monde Arabe (Arab World Institute) Exhibition on the Hajj (Islamic pilgrimage to Mecca). Paris, France, Europe

983-567 - California Institute of Technology - CalTech Submillimeter Observatory ( CSO ), Mauna Kea Observatories, Mauna Kea summit, Big Island, Hawaii, USA

797-11180 - Leisure, Amateur, Radio, England West Sussex Shoreham-by-Sea Ham Radio tent set up in the grounds of the RNLI station.

1127-17047 - Ernst Reuter House, administration building, Berlin Institute of Technology, Strasse des 17. Juni, Charlottenburg, Charlottenburg-Wilmersdorf, Berlin, Germany / Technische Universitat, Technische Universität, TU, TUB

1127-18901 - Optical telegraph, Telegrafenberg, Potsdam, Brandenburg, Germany

1127-18903 - astrophysical observatory, Telegrafenberg, Potsdam, Brandenburg, Germany

1127-18908 - Suring house, Telegrafenberg, Potsdam, Brandenburg, Germany / Süring house

1127-18902 - astrophysical observatory, Telegrafenberg, Potsdam, Brandenburg, Germany

832-372193 - Stem cell research, Max Planck Institute for Molecular Genetics, scientist, laboratory technician cultivating stem-cells, Berlin, Germany

832-372194 - Stem cell research, Max Planck Institute for Molecular Genetics, laboratory technician observing nerve cells through a microscope, Berlin, Germany

832-372976 - Habituated group of mountain gorillas (Gorilla beringei beringei), Bwindi Impenetrable Forest National Park, being studied by scientists from the Max Planck Institute for Evolutionary Anthropology Leipzig, image showing "Happy", male baby, born September

832-372977 - Habituated group of mountain gorillas (Gorilla beringei beringei), Bwindi Impenetrable Forest National Park, being studied by scientists from the Max Planck Institute for Evolutionary Anthropology Leipzig, image showing "Matu", female, Ruhija, Uganda, Afr

832-372975 - Habituated group of mountain gorillas (Gorilla beringei beringei), Bwindi Impenetrable Forest National Park, being studied by scientists from the Max Planck Institute for Evolutionary Anthropology Leipzig, image showing "Thursday", female baby, born Septe

832-372973 - Habituated group of mountain gorillas (Gorilla beringei beringei), Bwindi Impenetrable Forest National Park, being studied by scientists from the Max Planck Institute for Evolutionary Anthropology Leipzig, image showing "Marembo", oldest blackback of the

832-372972 - Habituated group of mountain gorillas (Gorilla beringei beringei), Bwindi Impenetrable Forest National Park, being studied by scientists from the Max Planck Institute for Evolutionary Anthropology Leipzig, image showing "Marembo", oldest blackback of the

832-372974 - Habituated group of mountain gorillas (Gorilla beringei beringei), Bwindi Impenetrable Forest National Park, being studied by scientists from the Max Planck Institute for Evolutionary Anthropology Leipzig, image showing "Kabandiize", young male, born Sept

832-372195 - Stem cell research, Max Planck Institute for Molecular Genetics, laboratory technician observing nerve cells through a microscope, Berlin, Germany

832-372971 - Habituated group of mountain gorillas (Gorilla beringei beringei), Bwindi Impenetrable Forest National Park, being studied by scientists from the Max Planck Institute for Evolutionary Anthropology Leipzig, image showing "Kikyokyo", female baby, born Augus

832-370502 - German research icebreaker Polarstern, operated by the Alfred Wegener Institute for Polar and Marine Research, Isfjorden, Spitsbergen, Svalbard, Norway, Europe

800-2072 - Hong Kong Design Institute, Tseung Kwan O, Kowloon, Hong Kong, China, Asia

1160-1612 - Magnolia Tree Blossom, Geilweilerhof Institute for Grape Breeding, Siebeldingen, Deutsche Weinstrasse (German Wine Road), Rhineland-Palatinate, Germany, Europe

832-341332 - Stem cell research, Max Planck Institute for Molecular Genetics, scientist, cultivation of tumor stem-cells, Berlin, Germany

817-470371 - National Center for Art and Culture Georges Pompidou, Paris, ile-de-France, France, Europe.

817-470372 - National Center for Art and Culture Georges Pompidou, Paris, ile-de-France, France, Europe.

817-455980 - Frescos by Jose Clemente Orozco in Hospicio Cabanas o Instituto Cultural Cabanas, Guadalajara, Jalisco, Mexico.

817-455977 - Frescos by Jose Clemente Orozco in Hospicio Cabanas o Instituto Cultural Cabanas, Guadalajara, Jalisco, Mexico.

817-455970 - Hospicio Cabanas o Instituto Cultural Cabanas, Fresco by Orozco 'Hombre del Fuego', Guadalajara, Jalisco, Mexico.