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Your search for "decline" returned 1,171 results
Insect Hotels Roll Out the Welcome Mat for Bugs of All Kinds
animals.howstuffworks.com/insects/insect-hotel.htm
Creating an insect hotel gives local bugs and pollinators a place to live and people of all ages a super cool garden project.
The World Hits 8 Billion People; Is That Good or Bad?
science.howstuffworks.com/environmental/green-science/world-8-billion-people.htm
The world's population is expected to hit 8 billion Nov. 15 2022. Is that too many people or just right?
Why Did Ancient Egypt Fall When Rome Entered the Picture?
history.howstuffworks.com/world-history/why-did-ancient-egypt-fall.htm
Why did ancient Egypt fall? Settle in for the story of how one of the longest-lasting civilizations in the ancient world slowly lost power.
How Do We Find Things in the Blackness of Space?
science.howstuffworks.com/how-do-we-find-things-blackness-space.htm
How are the exact positions of objects in space tracked? HowStuffWorks checks out the science of mapping in space.
Testosterone
health.howstuffworks.com/human-body/systems/endocrine/testosterone.htm
Testosterone is one of the most important, but commonly misrepresented hormones found in the body. Learn about the role of testosterone.
The Malayan Tiger, a Critically Endangered Species
animals.howstuffworks.com/endangered-species/malayan-tiger.htm
The Malayan tiger, scientifically known as Panthera tigris jacksoni, is a critically endangered tiger subspecies native to the Malay Peninsula (particularly the southern and central regions). With a population estimated to include fewer than 150 individuals, the these wild tigers of Southeast Asia are on the brink of extinction.
The Glass Armonica: A Harmonious Invention by Benjamin Franklin
science.howstuffworks.com/innovation/inventions/glass-armonica.htm
Learn about the Glass Armonica, a unique musical instrument invented by Benjamin Franklin. The glass armonica produces beautiful, haunting sounds by rubbing wet fingers on tuned glass bowls.
10 Rare Sharks Lurking in the Deep Blue
animals.howstuffworks.com/fish/sharks/rare-sharks.htm
The ocean hides some astonishing predators, and the rare sharks on this list include some that rank among the least-seen and most-threatened species on Earth.
The Conch Is an Endangered Sea Snail That Needs Your Help
animals.howstuffworks.com/endangered-species/conch.htm
Before collecting that conch shell, learn how over-harvesting for meat and souvenirs has endangered conch populations and what you can do to help their survival.
10 Worst Recessions in U.S. History, Listed Chronologically
money.howstuffworks.com/worst-recessions-in-us-history.htm
Recessions are painful chapters in any nation's economic story, and the United States has experienced its fair share.