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How Tiger Sharks Work
animals.howstuffworks.com/fish/sharks/tiger-shark.htm
Tiger sharks are named for the dark spots and stripes that mark juveniles. Learn how tiger sharks are equally as ferocious as tigers.
The Glass Frog Diverts Its Blood Flow to Activate Invisibility
animals.howstuffworks.com/amphibians/glass-frog.htm
If you've ever seen a frog with skin so see-through you can spot its organs, you’ve stumbled into the world of the glass frog. Found mostly in Central and South America, these wild little amphibians belong to the family Centrolenidae. The glass frog's transparent skin makes it a marvel of evolution, not one of your average tree frogs.
Swordfish vs. Marlin (Yes, They're Different Fish)
animals.howstuffworks.com/fish/swordfish-vs-marlin.htm
They’re both long, sleek, and carry a sword-like bill, but when it comes to swordfish vs. marlin, these titans of the sea are anything but interchangeable. Whether you're into deep sea fishing or browsing seafood menus, knowing the difference between a swordfish and a marlin can make all the difference.
Do Coyotes and Badgers Work Together to Find Food?
animals.howstuffworks.com/animal-facts/coyotes-badgers-find-food.htm
Coyotes and badgers may be unlikely hunting allies, but research shows that these two work together to snare food. How do coyotes and badgers work together?
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.