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How Déjà Vu Works
science.howstuffworks.com/science-vs-myth/deja-vu.htm
Déjà vu is the feeling that you have experienced a situation before even though you know you haven't. Learn about déjà vu and theories behind déjà vu.
Scientists Spot Light From Behind a Black Hole for the First Time Ever
science.howstuffworks.com/light-behind-black-hole-news.htm
Scientists have observed flashes of X-rays coming from behind a supermassive black hole, consistent with Albert Einstein's prediction that extremely large objects can bend light.
10 Crazy Facts You Didn't Know About Animals
animals.howstuffworks.com/animal-facts/10-crazy-facts-about-animals.htm
Did you know that hens can be transgender or that leeches have 3 sets of jaws? Find out 10 amazing facts about animals from HowStuffWorks.
Why are humans altruistic?
science.howstuffworks.com/life/inside-the-mind/emotions/humans-altruistic.htm
Why are humans altruistic? Even when it might hurt us? See concepts and ideas on why humans are altruistic at Discovery Health.
Evolution by Natural Selection: Examples and Effects of Adaptation
science.howstuffworks.com/life/evolution/natural-selection.htm
Natural selection is the idea that organisms that are best suited to survive pass their traits down. Is it true that only the strong survive?
What is the zone of proximal development?
lifestyle.howstuffworks.com/family/parenting/parenting-tips/zone-proximal.htm
What is the zone of proximal development? Visit HowStuffWorks to learn what the zone of proximal development is.
How Woolly Mammoths Worked
animals.howstuffworks.com/extinct-animals/woolly-mammoth.htm
Hop in your time machine, set the clock back a few thousand years and meet some woolly wonders. They even have a few things to teach us about the fate of modern elephants.
Lilac vs. Lavender Color Palettes and Plant Properties
home.howstuffworks.com/lilac-vs-lavender.htm
At first glance, a lilac vs. lavender comparison might seem like a trick question. Both belong to the lavender family of pale purple shades, and both bring to mind springtime blooms, calming atmospheres and fragrant flowers.
Top 5 Feminist Movements
people.howstuffworks.com/5-feminist-movements.htm
Feminist movements aren't all about bra-burning; they're serious efforts to change the way we think about gender equality. Read about five feminist movements.
What are emotions, and why do we have them?
science.howstuffworks.com/life/what-are-emotions.htm
What are emotions? What is their purpose? Read this article to learn about emotions and the reasons why we have them.