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Your search for "pupil" returned 159 results
How to Draw a Cartoon Monster Truck in 5 Steps
lifestyle.howstuffworks.com/crafts/drawing/how-to-draw-a-cartoon-monster-truck.htm
Learn how to draw a cartoon monster truck with our simple instructions. See how creative you can be as you learn how to draw a cartoon monster truck.
Why does caffeine keep you awake?
health.howstuffworks.com/wellness/drugs-alcohol/caffeine-awake.htm
Caffeine effects include an increase in your heart rate and an increased level of alertness. Learn more about some of the different caffeine effects.
Can animals predict death?
animals.howstuffworks.com/animal-facts/pet-sixth-sense.htm
Can animals predict death? Oscar the Cat made the news for predicting deaths of nursing home patients. Learn about how animals can predict death.
'Why Does My Cat Lick Me, Then Bite Me?' — Every Cat Owner Ever
animals.howstuffworks.com/pets/why-does-my-cat-lick-me-then-bite-me.htm
Why does my cat lick me then bite me? Everyone with a feline friend has asked this at least once in their life, if not once a day.
How to Tell if Your Cat Is Sick
animals.howstuffworks.com/pets/how-to-tell-if-your-cat-is-sick.htm
Knowing how to tell if a cat is sick is an important first step in caring for your cat. Learn how to read the telltale warning signs.
How can new cells restore someone's vision?
science.howstuffworks.com/environmental/life/cellular-microscopic/stem-cell-vision.htm
The journal "Nature" recently published a paper describing how a cell transplant had allowed blind mice to see again. What does this mean for humans?
Why Do Babies' Eyes Change Color?
health.howstuffworks.com/human-body/systems/eye/babies-eyes-change-color.htm
Nearly all newborns have some shade of blue eyes at birth. But after a few months, they change. What's going on?
How can adrenaline help you lift a 3,500-pound car?
entertainment.howstuffworks.com/arts/circus-arts/adrenaline-strength.htm
Adrenaline can give people superhuman strength in times of emergency. Learn about adrenaline and find out what gives you strength during an adrenaline rush.
Aromatherapy: Rosemary
health.howstuffworks.com/wellness/natural-medicine/aromatherapy/aromatherapy-rosemary.htm
Rosemary is a popular ingredient in aromatherapy preparations designed to ease pain and relieve congestion. Learn more about this essential oil.
Half the World Will Be Nearsighted by 2050
health.howstuffworks.com/human-body/systems/eye/half-the-world-will-be-nearsighted-2050.htm
It's estimated that a shocking 5 billion people will be nearsighted by 2050. HowStuffWorks Now examines the reasons why.