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American troops at the front in Italy. American soldiers on the Piave (river) front hurling a shower of hand grenades into the Austrian trenches, Varage, Italy; September 16, 1918. (World War I)
Leaders of World War I
Learn more about the leaders of World War I.
German machine gunners occupy a trench during World War I.
Weapons of World War I
The combination of 20th-century weapons and 19th-century tactics made World War I especially deadly.
Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.
10 Famous Artworks by Leonardo da Vinci
Meeting of leaders in W.W.I, General Hindenburg, Kaiser William II, General Ludendorff examine maps during World War I in Germany.
Military Commanders of World War I
Iroquois Native American
The 6 Nations of the Iroquois Confederacy
French infantry coming into position at the Marne during World War I, 1914-18.
Battles of World War I

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Hippopotamus in the water. Africa, Botswana, Zimbabwe, Kenya
11 Fascinating Nile River Plants and Animals
Beautiful adult three colored calico longhair cat
Longhair Cat Breeds
Scottish fold cat. A genetic mutation caused (in the original cat-1961) the ears to bend forward and down.
Shorthair Cat Breeds
illustration of the walking titanosaurus, Patagotitan mayorum
Titanosaurs: 8 of the World's Biggest Dinosaurs
The Panamanian Golden Frog is a critically endangered frog which is endemic to Panama.
Extinct in the Wild but Still Around: 5 Plants and Animals Kept Alive by Humans
Army of deadly Microbes
Meet the Microbes: 5 Tiny Protozoans and Algae
Malayan Leaf Frog - Megophrys nasuta
9 Animals That Look Like Leaves
Japanese spider crab
10 Animals Evolution Plucked Straight Out of a Nightmare
Close-up of ostriches (Struthio camelus)necks and heads; location unknown.
6 of the World's Most Dangerous Birds
Two rats on a wood surface.
8 Interesting Facts About Rats
Cuban Bee Hummingbird (Mellisuga helenae) single adult male, Zapata peninsula, Cuba, Caribbean.Bee hummingbirds are the smallest birds in the world.
Queen Mab’s Stable: 7 of the Smallest Animals
cloning. First cloned cat. First cloned companion animal. CC (copy cat) female domestic shorthair cat (b. Dec. 22, 2001) photo Jan. 18, 2002. Cloned at Texas A&M Univ. College of Vet. Med. & Biomedical Sciences. Reproductive cloning genetics DNA cc cat
CC, The First Cloned Cat
German Hindenburg Zeppelin Explodes while trying to dock at station in Lakehurst, New Jersey on May 6, 1937. It was the worlds largest airship
Defying Gravity: 7 of the Biggest Things That Ever Flew
Close up of saltwater crocodile as emerges from water with a toothy grin. The crocodile's skin colorings and pattern camouflage the animal in the wild.
7 Crocodilian Species That Are Dangerous to Humans
Sea horse or Seahorse, Hippocampus. Kingdom: Animalia Phylum: Chordata, Class: Actinopterygii, Order: Syngnathiformes, Family: Syngnathidae, Subfamily: Hippocampinae
9 Fish Named After Other Animals
coconut octopus underwater, amphioctopus, cephalopod, indonesia
6 Reasons to Love Cephalopods
Working German Shepherd dog sniffing a suspecting package for drugs or explosives.
Working Like a Dog: 7 Animals with Jobs
Snowshoe hare (Lepus americanus) with its Summer coat on the left side and its winter coat on the right.
7 Animals That Turn White in Winter
Bats. Megabat. Grey-headed flying fox. Pteropus poliocephalus. A pair of grey-headed flying foxes hanging from the ceiling of a cave in South Australia.
5 Surprising Facts About Bats
Hurricane Sandy . The Aftermath Ocean Grove, New Jersey
8 Nonhuman Casualties of Hurricanes
Therizinosaurus, theropod, dinosaur
6 Awesome Dinosaur Species You Should Know
Scolex (head) of the tapeworm Taenia solium. The hooks of the scolex enable the tapeworm to attach to the intestinal wall.
Uninvited Guests: The 7 Worst Parasitic Worms
Lateral view of an adult bedbug, Cimex lectularius, as it was in the process of ingesting a blood meal from the arm of a voluntary human host. Photo dated 2006.
8 Animals That Suck (Blood)
Monitor. Varanus salvadorii is a monitor lizard found in New Guinea can grows to 2.7 metres (9 ft.) aka Tree crocodile, Crocodile monitor, Salvadori's monitor, artellia, reptile
7 of the World’s Most Dangerous Lizards and Turtles
cat. Male British Shorthair cat. domestic cat, grey, British Blue
The 10 Best Types of Cat
Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.
10 of the World’s Most Dangerous Fish
Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.
9 of the World’s Deadliest Mammals
Golden poison frog (Phyllobates terribilis) aka golden frog, golden poison arrow frog or golden dart frog. Poison dart frog endemic to the Pacific coast of Colombia. Optimal habitat is the rainforest.
7 Awesome Frog Species of the Tropics
sea turtle (reptile). Green turtle (Chelonia mydas) (C. mydas) off the Hawaii Islands, Pacific Islands. Green sea turtle, chelonian. Homepage blog 2011, science and technology, animal
5 Vertebrate Groups
Northern Pacific tree frog (Pseudacris regilla) also known as the Pacific chorus frog in a green and brown morph on dewy leaf about to leap.
7 Awesome Frog Species of Canada and the United States
Dolphin. Delphinidae. Bottlenose dolphin. Bottle-nosed dolphin. Atlantic bottlenose dolphin. Tursiops truncatus. Bottlenose dolphin swimming in a large tank at Marineland, Florida.
A Dose of Dolphin-Induced Dopamine: 8 Species of Adorable Cetacean
white shark. white shark (Carcharodon carcharias), also called great white shark or white pointer.
Off the Hook: 10 Sharks Protected From Fishing in American Waters
Aurochs. Bos primigenius. Skeleton. Extinct animal. Skeleton of an Aurochs, an extinct wild ox.
6 Animals We Ate Into Extinction
Newt. Salamanders. Amphibian. Alpine newts. Ichthyosaura alpestris. Caudata. Urodela. Alpine newt swimming underwater.
Deviously Darwinian: 6 Strange Evolutionary Phenomena
The saprobe Panellus Stipticus displaying bioluminescence Panellus Stipticus Aug 12, 2009. Bioluminescent fungi. aka bitter oyster, astringent panus, luminescent panellus, stiptic fungus. fungus in the family Mycenaceae
Everything’s Illuminated: 6 Bioluminescent Organisms
Cook Strait giant weta (Deinacrida rugosa) found on Matiu/Somes Island in the harbour of Wellington, New Zealand. Dec. 17, 2009 insect
Big Bugs and Colossal Crabs: 7 Invertebrates of Unusual Size
Big cats. Leopards. Snow leopard. Panthera uncia. Endangered species. Profile of a snow leopard.
Falling Stars: 10 of the Most Famous Endangered Species
bird. pigeon. carrier pigeon or messenger pigeon, dove
Fightin’ Fauna: 6 Animals of War
Shoebill. A Shoebill Stork (Balaeniceps rex), aka 'Whalehead' standing in shallow marsh. Resides in tropical East Africa. A very large bird related to the storks. It derives its name from its massive shoe-shaped bill.
Funky Feathers: 10 Bizarre Birds
animal. Amphibian. Frog. Anura. Ranidae. Frog in grass.
Abundant Animals: The Most Numerous Organisms in the World
Horses. Equus caballus. Horse stable. A brown horse looks out from his stall through the window.
Horsing Around: 7 of the Weirdest Racehorse Names in History
Baby rabbit (bunny)
7 More Domestic Animals and Their Wild Ancestors
Black widow spider
9 of the World’s Deadliest Spiders
A pet macaw. Large colourful parrot native to tropical America. Bird, companionship, bird, beak, alert, squawk. For AFA new year resolution.
11 Popular—Or Just Plain Odd—Presidential Pets
Animal. Mammal. Goat. Ruminant. Capra. Capra aegagrus. Capra hircus. Farm animal. Livestock. White goat in grassy meadow.
6 Domestic Animals and Their Wild Ancestors
Common, or southern, cassowary (Casuarius casuarius).
8 Birds That Can’t Fly
King Cobra snake in Malaysia. (reptile)
9 of the World’s Deadliest Snakes
Mosquito on human skin.
10 Deadly Animals that Fit in a Breadbox
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