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How do armadillos roll into a ball?
animals.howstuffworks.com/mammals/armadillo-ball.htm
An armadillo ball is what it sounds like: an armadillo rolled up in a ball. Read why an armadillo ball is more than a shape -- it's a defensive tactic.
Can You Identify These 40 Flowers in Five Minutes?
play.howstuffworks.com/quiz/can-you-identify-these-40-flowers-in-five-minutes
Hurry! Quickly identify as many flowers as possible before the clock shaves five minutes are less. Newer generations of flowers can be tricky, so scan our bunch of blossoms as best you can and give your best bloom guesses!
Will we learn to live without sleep?
health.howstuffworks.com/mental-health/sleep/basics/will-learn-to-live-without-sleep.htm
It's likely that humans will evolve to need more sleep. Find out if we will learn to live without sleep at HowStuffWorks.
The Rockin' State Fossils Quiz
science.howstuffworks.com/environmental/earth/geology/state-fossils-quiz.htm
One of America's national treasures is its diverse and bountiful fossil record. Take our U.S. states fossils quiz to learn more about fossils.
Can You Identify These Venomous Snakes?
play.howstuffworks.com/quiz/50-out-55-people-cant-identify-these-venomous-snakes-can-you
Knowing sequences of colors and patterns can help you tell the difference between dangerous and benign snakes. Your life may depend on it! Take this quiz to see if you can identify these venomous snakes from a single image.
How Mogwai and Gremlins Work
entertainment.howstuffworks.com/mogwai-gremlins.htm
To a child of the 80s, a mogwai is the ideal pet. But woe to those pet owners who wound up with a gremlin. Learn how mogwai and gremlins work.
Mosquito Types, Traits, Lifecycle and Repellants
animals.howstuffworks.com/insects/mosquito.htm
Mosquitoes are insects that have been around for over 30 million years. Learn about mosquitoes and find out how to reduce mosquito populations.
How Cave Biology Works
science.howstuffworks.com/life/biology-fields/cave-biology.htm
Cave biology is the study of the animal specimens that live and evolve in caves. Learn about cave biology and cave animals in this article.
Once Thought Extinct, the Tasmanian Tiger May Still Be Prowling the Planet
animals.howstuffworks.com/extinct-animals/tasmanian-tiger.htm
On Sept. 7, 1936, the last known Tasmanian tiger died in captivity in Tasmania, Australia. But there are those who believe these animals still live.
A 'Tree That Owns Itself' Grows in Athens, Georgia
science.howstuffworks.com/life/botany/tree-that-owns-itself-athens-georgia.htm
A massive white oak in Athens, Georgia has many wondering whether a tree can even have legal rights. HowStuffWorks talked to experts to find out.