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Should people with freckles wear foundation?
health.howstuffworks.com/skin-care/beauty/skin-and-makeup/people-with-freckles-wear-foundation.htm
Should people with freckles wear foundation? Visit HowStuffWorks to learn if people with freckles should wear makeup.
Is there such a thing as a truly unselfish act?
science.howstuffworks.com/life/evolution/unselfish-act.htm
An unselfish act is an act in which one person benefits while the person performing the act gains nothing. Find out if an unselfish act is possible.
How Prenatal Testing Works
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/issues/prenatal-testing.htm
During a pregnancy, different kinds of prenatal testing are an important part of the process. See how prenatal testing protects both the mother and child.
What causes skin moisture loss?
health.howstuffworks.com/skin-care/moisturizing/basics/skin-moisture-loss.htm
What causes skin moisture loss? There can be several reasons that skin loses moisture. Find out what causes skin moisture loss at HowStuffWorks.
How Ultrasound Works
science.howstuffworks.com/ultrasound.htm
Ultrasound lets us peek into the human body to see everything from heart valves to a moving baby. But how do sound waves give us a picture?
Do animals have personalities?
animals.howstuffworks.com/animal-facts/do-animals-have-personalities.htm
Do animals have personalities? Pet owners would answer with a resounding yes. Find out how scientists would answer, "Do animals have personalities?"
Why Do Humans Have Body Hair?
health.howstuffworks.com/human-body/parts/human-body-hair.htm
Human body hair may seem annoying to groom, pluck and shave, but it does serve a purpose. Learn about human body hair and why we have hair on our bodies.
What is trichodynia?
health.howstuffworks.com/skin-care/scalp-care/problems/trichodynia.htm
What is trichodynia? Symptoms include discomfort or pain in the scalpe or hair. Read about trichodynia at HowStuffWorks.
Diagnosing Placenta Previa
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/complications/10004-placenta-previa.htm
Placenta previa occurs when the placenta is low in the uterine cavity, covering the opening of the cervix. It can interfere with a normal delivery.
Why aren't mountain goats really goats?
animals.howstuffworks.com/mammals/mountain-goats-really-goats.htm
Mountain goats may have woolly fur, cloven feet and horns, but they are quite different from true goats. Why call them mountain goats if they're not goats?