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Climate Change Threatens the Moai of Easter Island
The statues of Easter Island have stood for over 800 years. See how climate change and rising seas are affecting them with HowStuffWorks.
What Would a Yellowstone Eruption Mean for North America?
science.howstuffworks.com/science-vs-myth/what-if/what-if-yellowstone-supervolcano-erupted.htm
Welcome to Yellowstone, a natural wonderland that's home to stunning vistas, vibrant plant and animal life ... and a massive and potentially devastating supervolcano.
The Ring of Fire Is the Pacific's Volcanic Hotspot
science.howstuffworks.com/environmental/earth/geology/ring-of-fire.htm
Explore the Pacific Ring of Fire, a 24,900-mile zone with 75% of Earth's volcanoes and 90% of its earthquakes, shaped by dynamic tectonic activity.
Why Is an Asteroid Worth $10,000,000,000,000,000,000?
science.howstuffworks.com/psyche-16-asteroid.htm
A distant asteroid made mostly of iron is potentially worth $10,000 quadrillion, making it many times more valuable than the global economy.
The Superb Moon Quiz
science.howstuffworks.com/superb-moon-quiz.htm
Find out what you really know about moons, supermoons and moon landings with our HowStuffWorks quiz.
Félicette, the First Feline in Space, Finally Got Her Due
science.howstuffworks.com/felicette-space-cat.htm
Felicette was the first, and so far, only, cat to ever go into space. Why did France send her up, and what happened later? HowStuffWorks finds out.
How the Metric System Works
science.howstuffworks.com/metric-system.htm
Ever heard of a little unit called a femtometer? Can you tell us how much you weigh -- in petagrams? We know you can't, so hurry up and start reading. We have work to do.
How a Pneumatic Tube Works
electronics.howstuffworks.com/everyday-tech/pneumatic-tubes.htm
That tube you put your check or deposit slip in at the bank drive-up window is called a pneumatic tube. This was cutting edge 19th-century technology and is still in use today.
Could you dig a hole all the way to the Earth's mantle?
science.howstuffworks.com/environmental/earth/geophysics/dig-hole-to-earths-mantle.htm
Have you ever read "Journey to the Center of the Earth" and wondered if it were possible to do it? Well, scientists are in the process of giving it their best shot. How hard is it to dig a hole this deep, and what might they find?
How Plasma Rockets Work
science.howstuffworks.com/plasma-rockets.htm
Imagine if we could get to Mars in 40 days instead of seven months! It could happen if we used plasma rockets, which travel at 34 miles per second. But how do we make this a reality?