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Why Do Spotted Hyenas Laugh?
animals.howstuffworks.com/mammals/hyenas-laugh.htm
We all remember the laughing hyenas from "Lion King", but who knows why these canines laugh? We do. Find out why spotted hyenas laugh in this article.
Can You Identify These Crystals, Gemstones and Minerals?
play.howstuffworks.com/quiz/can-you-identify-these-crystals-gemstones-and-minerals
Can you tell the difference between peridot and citrine? How about opal and moonstone? If you were a star geologist in another life, this quiz was made for you!
3 Types of Trees You'll Find All Over the Planet
science.howstuffworks.com/life/botany/types-of-trees.htm
Trees are one of nature’s most incredible designs, providing oxygen, shelter and even maple syrup! From towering evergreens to small flowering plants, the diversity of trees is truly mind-blowing.
Can we bring Neanderthals back?
science.howstuffworks.com/life/genetic/bring-neanderthals-back.htm
Neanderthals and humans coexisted for thousands of years, but the relationship between the two species was always a bit dysfunctional. Could we get reacquainted with our evolutionary peers?
Are climate skeptics right?
science.howstuffworks.com/environmental/green-science/climate-skeptic.htm
Climate skeptics believe that climate change is a natural process, rather than the work of man. Learn about different climate skeptic arguments.
Unit 731: Inhumane Medical Experimentation During WWII
history.howstuffworks.com/history-of-world-wars/unit-731.htm
Before World War II officially began, Japan invaded China's Manchuria region (now called Guandong) in order to expand its territory and extract natural resources to grow its economy. Japan would commit numerous war crimes against the Chinese and people throughout the Asian-Pacific.
Is there a light 10 billion times brighter than the sun?
science.howstuffworks.com/synchrotron.htm
A synchrotron can produce light that can be used to "read" ancient texts that have been badly damaged. Find out what a synchrotron is and how it is used.
How Much Do You Know About Botany?
play.howstuffworks.com/quiz/how-much-do-you-know-botany
The science of plants is amazing in its complexity - and its simplicity as well! In this quiz, we'll discover some obvious and not so obvious facts about the plants that surround us on this beautiful planet! When you're done, you'll be inspired to start a garden, plants a tree or just stare at nature in a daze.
Assessing the Average Quicksand Deaths Per Year
science.howstuffworks.com/environmental/earth/geology/do-people-die-in-quicksand.htm
Science has determined that disappearing completely into quicksand isn't possible - but that doesn't mean that getting stuck still won't kill you.
How Human Cloning Will Work
science.howstuffworks.com/life/genetic/human-cloning.htm
Human cloning has been an ethical issue ever since the first sheep was cloned in 1997. Learn about the science behind human cloning.