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Do we really get wiser with age?
science.howstuffworks.com/life/inside-the-mind/human-brain/wiser-with-age.htm
Do we get wiser with age? Researchers are looking to see if there's a connection between brainpower and age. See if you'll get wiser with age after all.
What Is ESP? How ESP Works
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/esp.htm
Have you ever had a dream that came true? Or called a friend at the exact moment he was calling you? Most of us have had some sort of paranormal experience. Is this evidence of the existence of ESP?
Fruit Flies: The Science Superstars You Want Gone From Your Kitchen
animals.howstuffworks.com/insects/fruit-flies.htm
Fruit flies are annoying, but we also owe them a huge debt of scientific gratitude.
Why Do Songs Get Stuck in Your Head?
science.howstuffworks.com/life/inside-the-mind/human-brain/songs-stuck-in-head.htm
Why do songs get stuck in my head, you might wonder. The phenomenon is called an earworm -- learn why songs can get stuck in your head.
Eugenics Overshadows the Legacy of Scientific Genius Francis Galton
science.howstuffworks.com/innovation/big-thinkers/francis-galton.htm
Francis Galton did pioneering work in meteorology, psychology, statistics and biometrics. But today he is mainly remembered for promoting eugenics.
The Science and Smarts Behind Hypertrophy (and Getting Ripped)
health.howstuffworks.com/wellness/diet-fitness/exercise/hypertrophy.htm
Hypertrophy is a scientific term for building muscle. And there are lots of ways to do it. HowStuffWorks talks to an expert who wrote the book on it.
Pizza Nightmares: Can Your Diet Determine Your Dreams?
Folklore says heavy or spicy food before bedtime can cause nightmares. Surprisingly, there's been no real study of this - until now.
How Impossible Colors (Like Stygian Blue) Work
science.howstuffworks.com/impossible-colors.htm
What if there are colors within the visible spectrum that our brains can't perceive? In fact, there are. They're called impossible colors. But some researchers think they've discovered a way to see the impossible.
Are we on the brink of an AIDS vaccine?
health.howstuffworks.com/diseases-conditions/infectious/geovax.htm
An AIDS vaccine has been developed that shows 96 percent effectiveness in non-human, pre-clinical trials. Learn about this potential AIDS vaccine.
Do redheads need extra anesthesia?
science.howstuffworks.com/science-vs-myth/everyday-myths/redhead-anesthesia.htm
Do redheads need extra anesthesia? According to recent studies, it appears that they do. Learn about the relationship between redheads and anesthesia.