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How Newton's Cradles Work
science.howstuffworks.com/innovation/inventions/newtons-cradle.htm
Five metallic balls on slender threads sit side by side. As one on the end hits the rest, the one on the opposite end rises and falls. Why don't the balls in the middle move? It's complicated.
Breastfeeding Basics: What You Need to Know to Get Started
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/postpartum-care/breastfeeding-basics.htm
These breastfeeding basics will help you learn how to feed your child naturally. Learn about breastfeeding basics at Discovery Health.
How Zero Works
science.howstuffworks.com/math-concepts/zero.htm
You use the number zero all the time, but it may surprise you to learn that it sometimes isn't a number at all. It may surprise you even more to learn that it was all but invented. See what else surprises you about zero in this article.
Should we be worried about the dead zone in the Gulf of Mexico?
science.howstuffworks.com/environmental/earth/oceanography/dead-zone.htm
The Dead Zone is a vast area off the Gulf of Mexico, larger than several U.S. States, that is deadly to marine life. Learn more about the Dead Zone.
E = mc2: What Does Einstein's Famous Equation Really Mean?
science.howstuffworks.com/science-vs-myth/everyday-myths/einstein-formula.htm
Einstein's formula for relativity is one of the most famous formulas in the world. Learn about Einstein's formula in this article.
5 Signs a Date Went Badly
health.howstuffworks.com/relationships/dating/5-signs-a-date-went-badly.htm
Want to know the signs a date went badly? Visit Discovery Health to see 5 signs a date went badly.
How to Cleanse Your Face for Cheap
health.howstuffworks.com/skin-care/cleansing/tips/cheap-cleanse.htm
Knowing how to cleanse your face for cheap could save you lots of money. Learn how to cleanse your face for cheap at HowStuffWorks.
Scientists Make History by Growing Plants in Soil From Moon
science.howstuffworks.com/plants-grown-moon-soil-news.htm
University of Florida scientists used lunar soil collected during Apollo 11, 12 and 17 missions to successfully grow plants from seed. It's a first in human history and could help future space colonists grow food on the moon.
Cone Snail: A Slow but Highly Venomous Predator
animals.howstuffworks.com/marine-life/cone-snail.htm
Cone snails are marine animals that harpoon their prey and incapacitate them with deadly toxins. They may be beautiful, but they are highly venomous.
3 Reasons Your Nails Are Naturally Dark
health.howstuffworks.com/skin-care/nail-care/tips/3-reasons-your-nails-are-naturally-dark.htm
There may be some reasons your nails are naturally dark. Check out 3 reasons your nails are naturally dark in this article.