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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.
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.
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.
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.
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.
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.
How Do Animals Survive Major Storms?
animals.howstuffworks.com/animal-facts/do-animals-survive-major-storms.htm
Miraculously many animals are able to ride out some of Mother Nature's most powerful storms. HowStuffWorks looks at just how they do it.
How common is high blood pressure?
How common is high blood pressure? Learn more about how common high blood pressure is at Discovery Health.
Malaria Overview
health.howstuffworks.com/diseases-conditions/infectious/malaria.htm
If you're a mother in tropical Africa, a biting mosquito is one of your worst fears, because it can transmit malaria. Learn about this serious,often fatal disease and find out why it's one of the world's most pressing public health concerns.