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Are zebras black with white stripes or white with black stripes?
animals.howstuffworks.com/mammals/zebra-stripes.htm
Whether you think zebra stripes are black or white, you can't deny they make a fashion statement. Learn how zebra stripes form and what color they are.
Elk vs. Deer Antlers, Size, Habitats and Voices (Yes, Voices)
animals.howstuffworks.com/mammals/elk-vs-deer.htm
When you're hiking through the woods or watching wildlife documentaries, you might find yourself wondering about the differences between two majestic creatures: elk vs. deer.
What's the Malthusian premise?
science.howstuffworks.com/life/evolution/malthusian-premise.htm
The Malthusian premise centers on the issue of whether or not there will be enough food to sustain human life. Learn about the Malthusian premise.
Are Humans Apes? Tracing Our Evolutionary Path
science.howstuffworks.com/life/evolution/man-chimp-ape.htm
Are humans separate from chimps and other apes? Learn what separates us from chimps.
Why do we kill?
science.howstuffworks.com/life/inside-the-mind/emotions/why-do-we-kill.htm
Why do we kill? There's no doubt that humans are a violent species. Find out why we kill and what makes people more inclined to kill.
Things Are Looking Up for the Adorable American Pika
animals.howstuffworks.com/mammals/things-looking-up-american-pika.htm
Climate change will affect the habitat of the American pika, but not only in negative ways. Learn more in this HowStuffWorks Now article.
The Tarantula Is Big and Hairy But Not So Scary
animals.howstuffworks.com/arachnids/tarantulas.htm
Tarantulas are the largest spiders in the world and, believe it or not, some can live for up to 30 years.
Have a Tabby Cat? It's Not an Actual Breed
animals.howstuffworks.com/pets/tabby-cat.htm
Tabby cats are everywhere. Whether they're lounging on windowsills or chasing toys across the living room floor, these striped felines are among the most recognizable in the pet world. But there's more to a tabby cat than just its good looks and charming antics.
Why do geese mate for life?
animals.howstuffworks.com/birds/geese-mate-for-life.htm
Geese don't exchange vows or rings, but they do search for their lifelong mate. However, are geese really faithful, or do they take a gander at the opposite sex?
Distinctive 'Habsburg Jaw' Came From Centuries of Inbreeding
history.howstuffworks.com/european-history/habsburg-jaw.htm
Many of the kings and queens of the Spanish Habsburg dynasty had a distinctive facial malady known as the Habsburg jaw. What caused it?