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Your search for "pupil" returned 162 results
Are Doppelgangers Real? There's a 1 in a Trillion Chance
science.howstuffworks.com/life/genetic/doppelganger-1-in-trillion-chance.htm
Does everyone have a double out there somewhere that they don't know about? Science says the odds are pretty slim.
If Rainbows Are Circular, Why Do We Only See Arches?
science.howstuffworks.com/nature/climate-weather/atmospheric/rainbows-are-circular.htm
The simple explanation is you have to be in just the right spot and the conditions have to be perfect for you to see the entire 360 degrees.
Cottonmouth: Snake With Potent Venom and Catlike Eyes
animals.howstuffworks.com/snakes/water-moccasin-cottonmouth.htm
Cottonmouth snakes are often called water moccasins and are one of only four venomous snakes found in North America.
How Napoleon's Arc de Triomphe Became a Symbol of Paris
science.howstuffworks.com/engineering/architecture/arc-de-triomphe.htm
The Arc de Triomphe is one of the most iconic and enduring symbols of the city of Paris, France. But why did Napoleon commission it?
The Atlas Moth Is a Behe-moth, Plus 5 Other Facts
animals.howstuffworks.com/insects/atlas-moth.htm
The Atlas moth is one of the largest moths out there, with a wingspan of up to 12 inches, but the 'cobra' faces on its wings are even more frightening to predators than its size.
Can You Name These British Kids TV Shows?
play.howstuffworks.com/quiz/can-you-name-these-british-kids-tv-shows
British television produced some of the greatest television shows of all time, and children's programming is no exception. Could you name 40 children's television shows from just a single image? It's time to veg out!
Emotion Pictures
science.howstuffworks.com/life/inside-the-mind/emotions/emotion-pictures.htm
Take a look at these emotion pictures to see the range of human emotions experienced around the world. Learn about emotions with emotion pictures.
Viper Snake Species Are Always Venomous
animals.howstuffworks.com/snakes/viper-snake.htm
Vipers are venomous snakes that belong to the scientific family Viperidae, which includes hundreds of species spread across multiple continents. Known for its potent viper venom, retractable fangs and deadly strikes, the viper snake family has evolved to thrive in diverse environments.
4 Boa Snake Subspecies and the Constrictor Pet Trade
animals.howstuffworks.com/snakes/boa-snake.htm
The boa snake captivates reptile enthusiasts and researchers alike with its size, behavior and unique adaptations. Native to Central and South America, the large and heavy-bodied snake occupies a wide variety of habitats, from rainforests to arid regions.
Does reading in dim light really hurt your eyes?
health.howstuffworks.com/human-body/systems/eye/reading-in-dim-light.htm
Does reading in dim light really hurt your eyes? Find out if the old saying is true and see if you can damage your eyes by reading in dim light.