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How a Closed Terrarium Can Live for Decades, No Water Added
home.howstuffworks.com/closed-terrarium.htm
David Latimer put a plant and some compost in a bottle in 1960. It's still alive and thriving over 60 years later. How does a closed ecosystem like this work?
Air Pollution Kills 5.5 Million Per Year, Half in China and India Alone
science.howstuffworks.com/environmental/green-science/air-pollution-kills.htm
Millions of people die every year because of poor air quality, new international research finds. That number is expected to rise in coming years.
Why Does My Cat Stare at Me Like It Knows My Deepest Secrets?
animals.howstuffworks.com/pets/why-does-my-cat-stare-at-me.htm
If you’ve ever caught your feline friend staring you down from across the room, you’ve probably wondered: Why does my cat stare at me?
3 Types of Rocks Every Aspiring Geologist Should Know
science.howstuffworks.com/environmental/earth/geology/types-of-rocks.htm
Rocks might look simple, but they tell an ancient story of Earth’s fiery depths, surface shifts and biological processes.
What Is a Group of Leopards Called? Hint: It's Related to Their Behavior
animals.howstuffworks.com/mammals/what-is-a-group-of-leopards-called.htm
Leopards are known for their stealth, power and solitary lifestyle. So what is a group of leopards called? These elusive big cats aren’t often spotted in numbers.
10 Weird Ways Tinder Is Changing the World
computer.howstuffworks.com/10-weird-ways-tinder-is-changing-world.htm
Tinder is a popular dating app. Learn more about how it's changing the world at HowStuffWorks.
How Offshore Drilling Works
science.howstuffworks.com/environmental/energy/offshore-drilling.htm
Offshore drilling means combing Earth for new underwater oil reserves. Learn more about offshore drilling and finding oil in the midst of rough seas.
How Cells Work
science.howstuffworks.com/life/cellular-microscopic/cell.htm
The human body is composed of about 10 trillion cells. Everything from reproduction to infections to repairing a broken bone happens down at the cellular level. Find out all about cells.
How Do Solar Panels Work?
science.howstuffworks.com/environmental/energy/solar-cell.htm
Solar cells use sunlight to produce electricity. But is the 'solar revolution' upon us? Learn all about solar cells, silicon solar cells and solar power.
How the Mafia Works
people.howstuffworks.com/mafia.htm
The Mafia has controlled everything from the street-corner drug trade to labor-union leadership to high-level politicians. How did it start and what's its status now?