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How a Brinicle Works
science.howstuffworks.com/environmental/earth/oceanography/underwater-brinicles.htm
Underwater icicles, also called brinicles or sea stalactites, form when super-cold brine meets normal seawater. The sub-zero phenomenon can kill some sea life.
The Major U.S. City Quiz
play.howstuffworks.com/quiz/the-major-us-city-quiz
Just how well do you know the United States of America? Can you correctly name the states in which some major U.S. cities are located? Find out now with this quiz that will test your geography knowledge!
Centuries of Volcano Death Statistics, Newly Analyzed for Your Reading Pleasure
science.howstuffworks.com/nature/natural-disasters/volcano-death-statistics-analysis.htm
New research digs into historic volcano fatalities to explore how, where and whom a volcano is most likely to kill.
Only 1 in 40 People Can Answer These Common Sense Questions. Can You?
play.howstuffworks.com/quiz/only-1-40-people-can-answer-these-common-sense-questions-can-you
Are you book smart, street smart, and all-around savvy? Put your brain to the test with this common sense HowStuffWorks quiz!
Where Do Cows Originate From? Taurine vs. Indicine Lineage
animals.howstuffworks.com/mammals/where-do-cows-originate-from.htm
Where do cows originate from? Oh, so you're ready to dive into the natural history of one of humanity’s most important domesticated animals.
Can I catch plague from a prairie dog?
animals.howstuffworks.com/mammals/prairie-dog-plague.htm
Prairie dog plague has killed a huge percentage of the prairie dog population. Learn why prairie dog plague is a serious threat, and if you'll catch it.
10 Fascinating Facts About the New 'Tree of Life' Evolution Chart
science.howstuffworks.com/life/evolution/10-facts-new-tree-life-evolution-chart.htm
The newly developed family tree of Earth's 2.3 million species is a first draft of the 3.5-billion-year history of evolution.
Are You a Geography Guru?
play.howstuffworks.com/quiz/are-you-a-geography-guru
The world is a large and expansive place, with lots to know and discover. But just how much do you know about the lay of the land? Fancy yourself a geography guru? If so, take on our challenge to prove it.
Pearl Harbor Attack: What Led to It and What Was the Aftermath?
history.howstuffworks.com/world-war-ii/japan-bombs-pearl-harbor.htm
Japan's bombing of Pearl Harbor was the major event that caused the United States to enter World War II. Learn about the attack only at HowStuffWorks.
The Monarch Butterfly Is More Than an Orange Beauty
animals.howstuffworks.com/insects/monarch-butterfly.htm
The monarch butterfly (Danaus plexippus) is one of the most iconic insects in the natural world.