How to Draw an Impossible Heart
What is an impossible object? Impossible objects, such as this impossible heart, are optical illusions. Our brains are programmed to interpret two-dimensional drawings such as this one as... Read more
What is an impossible object? Impossible objects, such as this impossible heart, are optical illusions. Our brains are programmed to interpret two-dimensional drawings such as this one as... Read more
What is an impossible object? Also called impossible figures or undecidable figures, these objects are two-dimensional drawings that create an optical illusion... Read more
The impossible trident, also called the impossible fork, blivet, or devil's tuning fork, is a type of impossible object... Read more
The impossible square is a type of impossible object, also known as an impossible figure or undecidable figure. It is a type of optical illusion in which a three-dimensional drawing is interpreted by the eyes and brain as a... Read more
What is an impossible cube? Also called an irrational cube, this optical illusion was created by Dutch artist M. C. Escher in 1958. His lithograph print Belvedere depicts a building, based on the impossible cube, that seems to defy the laws... Read more
The hammerhead shark is perhaps one of the most recognizable fish in the ocean. The strangely shaped head, called a cephalofoil, may give the shark increased maneuverability while hunting and an enhanced sense of... Read more
"There's a fly in the buttermilk, shoo fly, shoo!" "Shoo, fly, don't bother me." These and other folk songs and nursery rhymes illustrate the universal struggle of... Read more
Anglerfish represent a unique variety of fish, so named for their ability to "fish" for prey using a fleshy lure that dangles from their head. Large fang like... Read more
Lobsters are crustaceans, invertebrates of the sea. Like crabs and insects, they wear their skeletons like armor on the outside of their bodies. Many species have intimidating large... Read more
The hippopotamus, or hippo for short, is a large African mammal. It shares the title of second largest land mammal with the similarly sized white rhino, second only to the African... Read more
The orca, also called a killer whale, is a type of toothed whale. At up to 33 feet in length, it is the largest member of the dolphin family. Killer whales use 40 four-inch long teeth to capture prey such as... Read more
Beavers are large aquatic rodents. There are two species of beavers, and they are native to North America, Europe, and Asia. Beavers are the second largest rodent in the... Read more
For millennia, cats have been kept as pets and to control vermin. Cats may have been domesticated independently in Asia Minor and in northern Africa as much as... Read more
Donkeys, also called burros, are small mammals related to the horse. The donkey has been used by man as a beast of burden for around 6,000 years. It is thought to have been domesticated from a... Read more
Chameleons are tree-dwelling lizards known for their color changing abilities and their long sticky tongue. Chameleons are native to Africa, Asia, the Middle East, and southern Europe. The highest concentration of chameleons occurs on... Read more
Buffalo, also called bison, are large grazing mammals related to cattle. There are two species of bison, one native to North America and the other to Europe. Both are known for the characteristic hump on their... Read more
Alligators are large aquatic reptiles. There are two species of alligator, native to North America and China. Alligators are carnivores, often living in rivers or streams. Their dark coloration helps them to... Read more
Basketball is an iconic American sport. Its legendary players, such as Michael Jordan and LeBron James, are considered heroes. It is the only sport to date whose origins lie solely in... Read more
Basketball may be the only sport to be invented completely in America. It arose at a YMCA in 1891 as an indoor sport to be played on a rainy... Read more
Baseball bats are wooden or metal clubs used in sports such as baseball, softball, and t-ball. The pitcher throws the ball, and the player swings the bat in an attempt to strike it and change its course. The best part of the bat to strike the ball is known as the... Read more