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How Often Do Whales Come Up for Air?
animals.howstuffworks.com/mammals/how-often-do-whales-come-up-for-air.htm
If you’ve ever watched whales surfacing with a dramatic blow from their blowholes, you’ve probably wondered: How often do whales come up for air?
Steppe: A Civilization-altering Biome Most People Can't Name
science.howstuffworks.com/environmental/earth/steppe.htm
Spanning thousands of miles across the heart of Asia and Eastern Europe, the steppe is one of Earth's most expansive and ecologically important biomes. These vast, flat grassy plains stretch from Hungary in the west to Mongolia and northern China in the east, forming what is known as the Eurasian Steppe.
8 Frog Species and Toads You'll Find in North America
animals.howstuffworks.com/amphibians/frog-species.htm
Frogs have been hopping around the planet since the Early Triassic, making them one of the oldest extant amphibian lineages. With more than 7,000 frog species globally, they’ve adapted to nearly every environment on Earth, from tropical rainforest canopies to forest floor ponds.
The Morpho Butterfly: One of Few Species to Live Up to Its Hype
animals.howstuffworks.com/insects/morpho-butterfly.htm
When people think of the tropics, they often imagine lush green forests, towering trees and flashes of color flitting between the leaves. One of the most iconic and dazzling sights in this landscape is the morpho butterfly, especially the brilliant blue morpho.
The Arctic Ocean and Why You Literally Can't Live Without It
science.howstuffworks.com/environmental/earth/arctic-ocean.htm
The Arctic Ocean sits at the top of the planet, wrapped around the geographic North Pole and within by the Arctic Circle.
How Sharks Work
animals.howstuffworks.com/fish/sharks/shark.htm
Sharks are one of the most sophisticated and enduring creatures. Learn about shark movement, shark senses, shark teeth, the daily life of sharks and threats to sharks.
How Bridges Work
science.howstuffworks.com/engineering/civil/bridge.htm
Bridges support tremendous weight, span huge distances and all the while withstand the greatest forces of nature. Find out about these engineering feats (as well as some of the flaws).
USDA Calorie Counting Tips
health.howstuffworks.com/wellness/diet-fitness/weight-loss/usda-calorie-counting-tips.htm
The new USDA Dietary Guidelines can be a useful tool if you're striving to lose weight. Learn more about these guidelines.
How Maps Work
science.howstuffworks.com/environmental/earth/geophysics/map.htm
A map is a type of language, a graphic way of representing information, whether it's to show population density or tell you how to get from Point A to Point B. Here's how they're made.
How to Draw Dump Trucks in 11 Steps
lifestyle.howstuffworks.com/crafts/drawing/how-to-draw-dump-trucks.htm
How to draw dump trucks is presented at HowStuffWorks. Learn how to draw dump trucks.