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How Robots Work
science.howstuffworks.com/robot.htm
Robots are becoming increasingly sophisticated and lifelike. Learn about robots, the latest robot technology and how close we are to artificial intelligence.
What Do Different Stones Symbolize? A Guide to Crystal Meanings
science.howstuffworks.com/science-vs-myth/everyday-myths/stone-meanings.htm
Discover the meanings of different stones and crystals. Learn how gemstones symbolize energy, healing, protection, and spiritual growth in various traditions.
Did the Mayan civilization end because of climate change?
science.howstuffworks.com/environmental/green-science/climate-change-end-mayan-civilization.htm
Over the years, many theories have been advanced about why the once-mighty Mayan civilization fell. But a newer one is getting attention: Was it because of climate change?
Stored Energy Methods (Other Than Rechargeable Batteries)
science.howstuffworks.com/environmental/energy/question247.htm
One way to store energy is to use a battery, but what other ways can we store energy? Learn about different ways to store energy at HowStuffWorks.
What Uses the Most Electricity in a Home?
science.howstuffworks.com/environmental/green-tech/sustainable/5-energy-hungry-appliances.htm
Sure, your hair dryer or toaster sucks up a lot of kilowatt-hours during the short time it's on, but what are the truly big drains on your home energy budget?
10 Crackpot Theories About Space
science.howstuffworks.com/10-crackpot-theories-space.htm
Our knowledge of space changes all the time as new discoveries are made. But some ideas about the universe have never really held water - including the one that everything is made of frozen H2O.
15 Healing Crystals and How to Use Them
science.howstuffworks.com/environmental/earth/geology/healing-crystals.htm
Curious about healing crystals and their meanings? Here's the lowdown on 12 of the most popular stones for wellbeing.
What Is the Coldest Place in the Universe?
science.howstuffworks.com/coldest-place-in-universe.htm
The coldest place in the universe exists some 5,000 light-years from Earth. Do you know where it is and what it's called?
Interesting Science Facts Confirmed and Debunked
science.howstuffworks.com/science-vs-myth/everyday-myths/10-false-science-facts.htm
When reeling off dubious facts (like lemmings plunging off cliffs en masse), there's no better retort to a skeptical audience than calmly explaining that it's not just true - it's science...right?
How many planets in our universe could support life?
science.howstuffworks.com/planets--universe-support-life.htm
We don't know the answer to how many civilizations might exist in the universe. But we do know the factors that allow life on Earth. Are there other planets that fit the bill? Oh yes indeed.