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Aurora Australis (the Southern Lights) shows sinous looping band of airglow above the Earth Limb, taken by space shuttle Discovery, May 6, 1991.
Earth from Space
Thalloid of the liverwort Marchantia with gemma cups.
Liverworts
Astronaut Bruce McCandless II floating in space during the first untethered spacewalk, 2/7/84. This space first was made possible by the Manned Manuevering Unit (MMU), a nitrogen jet propelled backpack. Challenger Shuttle STS-41B.
NASA’s 50 Most Memorable Photos
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Some of the African-American men of the 369th (15th New York) who won France's Croix de Guerre for gallantry in action, 1919. (World War I, Harlem Hellfighters)
Harlem Hellfighters
War tuba acoustic sensor kit - used in accurately locating enemy airplanes either night or day. Due to non-portability, great size and weight, apparatus is best adapted for defending back areas, hospitals, ammunition dumps, etc. (World War I)
Technology of World War I
Men of the Royal Norfolk Regiment at Aldershot now undergoing a course of revolver shooting wear gas masks while at practice in order to got used to wearing the masks under all conditions. Two Tommies sighting the target in their gas masks. (World War I)
World War I: Life in the Trenches
Woman worker at an airplane factory in America. (World War I, aeroplanes, women)
Women of World War I
hooktooth dogfish shark (Aculeola nigra), fishes refer to asset 160016 for original art
Beyond Jaws: Sharks You Probably Won’t See in Movies
"Battle of the Alamo" by Percy Moran. Print reproduction, circa 1912. Texas forces fighting against troops from Mexico. Battle for Texas independence from Mexico. San Antonio, Texas.
Texas Revolution
Solar panels in field, La Calahorra, Granada, Spain (sun, energy, sunshine, collector, collection, electricity, cells, solar energy, renewable)
Renewable Energy
Solar, wind, and hydroelectric power!
Kaiser William II with his second wife Hermine Reuss on their wedding day, November 9, 1922.
Royal Weddings
Pomp and pageantry abound at royal nuptials.
Baobab trees on Madagascar Island.
Baobab Trees
Don’t cut them down on this planet, Little Prince!
Welwitschia Mirabilis, Namibia, Africa. (desert plant)
Gymnosperms
Meaning "naked seeds," gymnosperms are plants that do not make...
Emperor penguins and chicks in Antarctica (arctic animal; arctic bird; penguin; baby penguins; penguin family)
Penguins
Swimming birds of the Southern Hemisphere.
Casa Rosada (presidential palace), Plaza de Mayo, Buenos Aires, Argentina.
Buenos Aires
Buenos Aires: the vibrant capital of Argentina.
Panoramic view of Mount Fitzroy, El Chalten, Argentina
Argentina’s Natural Beauty
Stretching some 2,360 miles (3,800 km) from the subtropical north...
Aurora Australis (the Southern Lights) shows sinous looping band of airglow above the Earth Limb, taken by space shuttle Discovery, May 6, 1991.
Earth from Space
Our precious blue marble, as seen from space.
Venus Fly Trap plants. (Dionaea muscipula) (Venus's-flytrap; carnivourous plant; carnivorous plants)
Carnivorous Plants
These plants eat things! How cool is that?!
Aurora borealis. Northern lights over Bear Lake, Eielson Air Force Base, Alaska.
Aurora
The northern and southern lights, known respectively as the aurora...
Honey bee with full pollen sac on flower. (insect, pollination; bug; honeybee)
Honeybees
Honeybees: from flower to hive.
Thalloid of the liverwort Marchantia with gemma cups.
Liverworts
These non-vascular plants are almost as strange as their name!
Cycad, Cycadophyta
Cycads
Although they may look like small palm trees, cycads are actually...
Jellyfish, medusa stage, bioluminescent. Bioluminescence emission of light by an organism.
Jellyfish
Jellyfish are mysterious, beautiful, and definitely not fish.
Prickly pear cactus, Opuntia
Cacti
A sampling of the diversity of the cactus family (Cactaceae).
Passenger pigeon, mounted (Ectopistes migratorius)
Passenger Pigeon
A once-populous bird hunted to extinction.
English naturalist Charles Darwin; undated engraving.
Charles Darwin
Charles Darwin, the father of evolution.
Joshua trees at sunset, Joshua Tree National Monument, California
Yuccas
Yuccas, Spanish daggers, and Joshua trees are all members of...