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Why do old couples look alike?
science.howstuffworks.com/life/genetic/old-couples.htm
Many old couples tend to look like each other due to shared life experiences, according to a recent study. Learn more about why older couples look alike.
Do anti-aging lights really work?
health.howstuffworks.com/wellness/aging/anti-aging-tips/anti-aging-lights.htm
Do anti-aging lights really work? Visit Discovery Fit & Health to learn about anti-aging lights and if they really work.
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.
Is Insect Repellent Bad for Your Skin?
health.howstuffworks.com/skin-care/beauty/skin-and-lifestyle/insect-repellent-skin.htm
Insect repellent on skin -- is it safe? Take a look at what is in insect repellents and if it is safe to have insect repellent on skin.
What does CERN mean for the future of the universe?
What does CERN mean for the future of the universe? They may make amazing discoveries. Find out: What does CERN mean for the future of the universe?
Jane Goodall: A Global Face for Global Peace
science.howstuffworks.com/innovation/big-thinkers/jane-goodall-global-face-for-global-peace.htm
In her legendary 60-year career, Jane Goodall has made being an intrepid scientist, environmentalist, writer and teacher look easy.
Can You Ace This Quiz About Ancient World History?
play.howstuffworks.com/quiz/can-you-ace-this-quiz-ancient-world-history
Long before the Internet and gas-sucking automobiles, human beings thrived all over the planet. As their empires rose and fell, they left behind intriguing evidence of their lives. What do you know about ancient world history?
How Living in Total Darkness Sabotages Your Sleep
health.howstuffworks.com/mental-health/sleep/disorders/darkness-sabotages-sleep.htm
Imagine being trapped in a cave or some other place where you were in total darkness. Would you know when to sleep and wake? And how would that throw off your body clock?
Meet the Man Who Invented Cool Whip, Tang and Pop Rocks
science.howstuffworks.com/innovation/famous-inventors/meet-man-invented-cool-whip-tang.htm
The 20th century would have been very different without the contributions of General Foods chemist William A. Mitchell, who tapped into the American appetite for convenience and novelty.
Inside Yellowstone's 'Zone of Death' Crimes Can't Be Prosecuted
history.howstuffworks.com/history-vs-myth/can-get-away-with-crime-in-yellowstone.htm
A small area of West Yellowstone National Park has no residents, which opens it up to a strange loophole: lawlessness. Find out more at HowStuffWorks.