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Your search for "northern hemisphere" returned 209 results
How Animal Migration Works
animals.howstuffworks.com/animal-facts/animal-migration.htm
Animal migration is crucial to the survival of that particular species of animal. Learn about animal migration and why animal migration is important.
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.
Tropical Rainforest Guide: How Rainforests Work
science.howstuffworks.com/environmental/conservation/issues/rainforest.htm
Tropical rainforests are the most diverse ecosystems on Earth, and also the oldest. Today, tropical rainforests cover only 6 percent of the Earth's ground surface, but they are home to over half of the planet's plant and animal species.
How long can a camel go without water?
animals.howstuffworks.com/mammals/camel-go-without-water.htm
Camels store water effectively and can easily handle harsh desert conditions. Learn why camels store water, and how long they can go without water.
10 Unusual and Rare Flowers You Won't Find in Most Gardens
home.howstuffworks.com/gardening/garden-design/10-most-unusual-flowers.htm
Flowers are a matter of pride for gardeners, a means of expression for lovers and they play a role in some of our most joyous and somber societal rituals. But not all flowers are bright colors and perfumed scents. Some are quite unusual.
Sun Rash
health.howstuffworks.com/skin-care/beauty/sun-care/sun-rash.htm
Sun rash is an irritating yet preventable condition. Visit HowStuffWorks to learn all about sun rash.
Can You Identify These Venomous Snakes?
play.howstuffworks.com/quiz/50-out-55-people-cant-identify-these-venomous-snakes-can-you
Knowing sequences of colors and patterns can help you tell the difference between dangerous and benign snakes. Your life may depend on it! Take this quiz to see if you can identify these venomous snakes from a single image.
Penguins: The Monogamous Tuxedoed Birds That 'Fly' Underwater
animals.howstuffworks.com/birds/penguins.htm
HowStuffWorks looks at penguins, the tuxedoed swimming birds who mate for life and swim like Olympic champs.
Brain Pictures
health.howstuffworks.com/human-body/systems/nervous-system/brain-pictures.htm
What does your brain really look like? See the different ways we can view the human brain and learn interesting facts with these brain pictures.
How Many Bird Species Can You Identify?
play.howstuffworks.com/quiz/how-many-bird-species-can-you-identify
Do you think you're an expert when it comes to birds? We promise this bird quiz will keep you emu-sed since everybody's been raven about it. Don't worry if you get stuck on any of the questions. You can always tweet a friend for help!