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What Are Supplementary Angles?
science.howstuffworks.com/math-concepts/supplementary-angles.htm
You've probably seen supplementary angles examples in your everyday life without knowing it. Whether you pass a leaning sign on a flat highway or walk by a shed with a lean-to roof - whenever two angles combine to form a straight, linear pair, there they are.
How to Tell How Old Your Dog Is
animals.howstuffworks.com/pets/how-to-tell-how-old-dog.htm
The signs of a dog's age can sometimes be obvious but other times subtle. Here are four things to look out for.
Many Animals Eat Grass So Why Don't Humans?
health.howstuffworks.com/human-body/systems/digestive/why-humans-dont-eat-grass.htm
We may love the smell of a fresh-cut lawn, but those grass clippings don't make a good salad. HowStuffWorks looks at why humans don't eat grass.
A Smart Lemur Is a Popular Lemur
animals.howstuffworks.com/mammals/smart-lemur-is-popular-lemur.htm
Lemurs find social success by being smart. HowStuffWorks checks out these brainiacs.
Your Hay Fever Could Make You Allergic to Some Fruits
It's called oral allergy syndrome, and it's caused when the immune system overreacts to allergens. Learn more at HowStuffWorks.
Could Your Smartphone Cause Temporary Blindness?
health.howstuffworks.com/human-body/systems/eye/could-your-smartphone-cause-temporary-blindness.htm
Researchers have identified something called transient smartphone blindness. HowStuffWorks Now explains what that it is.
What Is the World's Fastest Computer?
computer.howstuffworks.com/worlds-fastest-computer.htm
What is the World's Fastest Computer?
Smart Bandages Can Monitor, Treat Chronic Wounds
health.howstuffworks.com/medicine/modern-technology/smart-bandages-can-treat-chronic-wounds.htm
New smart bandages are the wound-healing technology of the future. HowStuffWorks delves into the science.
French Rooks Trained as Park Janitors
animals.howstuffworks.com/birds/french-rooks-trained-as-park-janitors.htm
Crows are inveterate scavengers. HowStuffWorks looks at how they are being trained as trash pickers in France.
Health Issues for Women Ages 25 to 40
health.howstuffworks.com/wellness/women/general/health-issues-for-women-ages-25-to-40.htm
Be aware of health issues for women ages 25 to 40 to maintain your health. Learn about health issues for women ages 25 to 40 at Discovery Health.