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How a Symbiotic Relationship Works
science.howstuffworks.com/life/evolution/symbiosis.htm
Symbiosis can be mutually beneficial, helping two creatures survive in a hostile environment. Learn about the different forms of symbiosis.
Oh, Birds! Please Don't Fly Into Our Windows
animals.howstuffworks.com/birds/why-birbs-fly-into-windows.htm
With the fall migration season for birds just around the corner, we took another look at how to prevent birds from colliding with windows.
How Animal Imprinting Works
animals.howstuffworks.com/animal-facts/animal-imprinting.htm
Animal imprinting concerns how some species of animals learn during a short period immediately after birth. Learn more about animal imprinting.
Goose vs. Swan: Distinguishing Between Long-necked Birds
animals.howstuffworks.com/birds/goose-vs-swan.htm
At first glance, geese and swans seem like large, long-necked cousins in the bird world — and they are. But the goose vs. swan comparison reveals key differences in size, behavior, migration, and even their place in the ecosystem.
How Bioarchaeology Works
science.howstuffworks.com/environmental/earth/archaeology/bioarchaeology.htm
Archaeologists dig up and study the material remains of human civilizations. Bioarchaeologists do the same thing, except they focus on the remains of, well, us. What's the big deal about old bones and teeth?
Skin Pigmentation
health.howstuffworks.com/skin-care/beauty/sun-care/skin-pigmentation.htm
Skin pigmentation is an interesting part of human anatomy. Visit HowStuffWorks to learn all about skin pigmentation.
Can Genealogy Sites Use Your DNA However They Want?
people.howstuffworks.com/culture-traditions/genealogy/can-genealogy-sites-use-dna-however-want.htm
Critics worry that when you send your DNA to Ancestry.com for personal analysis it can be used for other purposes. HowStuffWorks checks out whether these fears are warranted.
Is there such a thing as a man-eating lion?
animals.howstuffworks.com/mammals/man-eating-lion.htm
Though man-eating lions are rare, they do exist. Learn where man-eating lions live and what drives Tsavo lions to snack on human populations.
1816 Was the Year Without a Summer
More than two centuries ago, the biggest volcanic explosion in human history occurred. And it had far-reaching effects.
Did the Chinese beat Columbus to America?
history.howstuffworks.com/history-vs-myth/chinese-beat-columbus.htm
Did the Chinese discover America years before Christopher Columbus? Read the evidence that supports the 1421 theory that the Chinese beat Columbus.