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Extremophiles: How Do These Organisms Push the Limits of Life?
science.howstuffworks.com/life/cellular-microscopic/extremophile.htm
Extremophiles are organisms that live in "extreme" environments. Learn why extremophiles are remarkable, not only because of their habitats.
How Narwhals Work
animals.howstuffworks.com/mammals/narwhal.htm
Narwhals, the unicorns of the sea, are unusual tusked whales who like icy ocean waters. See what else makes narwhals interesting whales indeed.
Can a Person Remember Being Born?
science.howstuffworks.com/life/inside-the-mind/human-brain/remember-birth.htm
Can a person remember being born? Learn whether childhood amnesia or ego-protecting screen memories prevent a person from remembering being born.
How Tessellations Work
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Mathematics achieves the sublime. Sometimes, as with tessellations, it rises to art. In their simplest form, tessellations consist of a single shape that repeats over a two-dimensional plane without any gaps. Why was M.C. Escher so fixated on them?
What is the Longest Time Someone Has Gone Without Sleep?
science.howstuffworks.com/life/inside-the-mind/human-brain/sleep-deprivation.htm
A man in Cornwall, England, went 11 consecutive days without a wink of sleep. Find out how he did it, why he did it and why you shouldn't give it a try.
Rating Alternative Diets for Seniors
health.howstuffworks.com/wellness/aging/senior-health-lifestyle/alternative-diets-seniors.htm
Alternative diets for seniors may be the answer to your weight-loss issues, though there are risks. Learn about alternative diets in this article.
How Body Dysmorphic Disorder Works
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Body dysmorphic disorder causes some people to obsess about their looks. Learn why body dysmorphic disorder affects your perceived appearance.
How Animal Migration Works
animals.howstuffworks.com/animal-facts/animal-migration.htm
Animal migration is crucial to the survival of that particular species of animal. Learn about animal migration and why animal migration is important.
How Digg Works
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Learn all about Digg, a user-driven news Web site that brings together news stories drawn from every corner of the Web.
How Animal Testing Works
science.howstuffworks.com/innovation/scientific-experiments/animal-testing.htm
Animal testing has a long, gruesome history, but it's also saved countless human lives.