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Why Ice Usually Freezes Cloudy, Not Clear
Ice cubes usually look cloudy and opaque in the middle, despite the fact that water is clear. What's the deal?
Sea Urchins Are the Edible Pincushions of the Ocean
animals.howstuffworks.com/marine-life/sea-urchin.htm
Sea urchins look like spiny pincushions and are considered a delicacy to foodies everywhere. HowStuffWorks gets to know the sea urchin.
How Did the Goldfish Become Everyone's First Pet?
animals.howstuffworks.com/pets/goldfish.htm
Goldfish are easy to care for, as long as you follow three basic steps. HowStuffWorks tells you what they are.
How Wetlands Work
science.howstuffworks.com/environmental/green-science/wetland.htm
Wetlands act like sponges, soaking up extra water during floods. They filter water as it runs to our rivers and streams. Find out what else wetlands do.
Can a Turtle Outgrow Its Shell?
animals.howstuffworks.com/reptiles/turtle-shell.htm
Turtle shells help protect the reptiles from predators and allow some to move quickly through the water. Find out if a turtle can outgrow its shell.
The Conch Is an Endangered Sea Snail That Needs Your Help
animals.howstuffworks.com/endangered-species/conch.htm
Before collecting that conch shell, learn how over-harvesting for meat and souvenirs has endangered conch populations and what you can do to help their survival.
9 Deep-diving Facts About the Lands of Oceania
history.howstuffworks.com/world-history/oceania.htm
Fourteen countries and 39 million square miles make up Oceania in the South Pacific. And bungee jumping was invented there, too.
Does light attract sharks?
animals.howstuffworks.com/fish/sharks/light-attract-sharks.htm
Light attracting sharks is a theory that suggests sharks are drawn by bright, shiny, yellow and light-colored objects. Learn about light and sharks.
How to Harness Biofuels
auto.howstuffworks.com/fuel-efficiency/biofuels/harness-biofuel.htm
How much do you know about biofuels? Keep reading to learn How to Harness Biofuels.
10 Deep Sea Creatures That Are (Almost) Too Bizarre to Be Real
animals.howstuffworks.com/marine-life/deep-sea-creature-list.htm
Far below the ocean's surface, in the dark depths of the deep sea floor ecosystem (about 3,000 feet or 1,000 meters deep), exists an entire world of deep sea creatures that humans rarely glimpse.