Top 5 Most Popular Guns - and Why
Whether they're antique rifles or modern handguns and shotguns, firearms are popular in the United States. So which pieces are people packing?
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Puzzle: Planet Earth from Space
It takes one year for the Earth to complete a single revolution around the sun. How long will it take for you to complete this puzzle of planet Earth from space?
How Lifestraw Works
Many of us take clean water for granted, but more than a billion people have no access to it. Luckily, LifeStraw can help make water safer for individuals and families that desperately need it.
Scintillating Science Facts
From black holes to spontaneous human combustion, these scintillating science facts will teach you everything about the world that you never knew you didn't know!
5 Most Popular Guns
Earth from Space Puzzle
Lifestraw
Science Facts
what's inside: science
Science explains and demystifies the world through the objective of gathering and analyzing data. Explore the natural world, engineering, space, military technology, physics and even supernatural phenomena.
Awards and Organizations
Some of the major awards and organizations in the field of physics are explained in this section. Here you will learn about the some of the major awards scientists can earn. See more »
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Earth Science
Earth Science is a wide, scientific discipline covering all facets of how the earth works. Learn about weather, global warming, natural disasters and how the world's oceans function. See more »
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Engineering
Engineering is the discipline of design and construction of mechanical devices, equipment, structures and public works systems. Topics include aircraft technologies, buildings, bridges, robotics and heavy machinery. See more »
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Everyday Science
There's a lot of science at work in your daily life. Ever wonder how an aerosol can works or how light sticks work? Explore the science behind commonly used objects. See more »
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Life Science
From the smallest microbe to the largest mammal, Life Science explores the origins, evolution and expansion of life in all its forms. Explore a wide range of topics from animal profiles to genetics and conservation. See more »
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Military
Explore the weapons and combat systems used by the armed services. A broad range of topics in the Military Channel include tanks, aircraft, biological warfare and stealth technologies. See more »
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Physical Science
Physical science is the study of the physical world around you. You can learn about everything from electricity to magnetism. See more »
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Space
Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration. See more »
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Supernatural Science
Supernatural or paranormal science deals with controversial topics on the fringes of accepted scientific inquiry. Here you can learn about ghosts, aliens, strange phenomena and creatures like Bigfoot. See more »
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10 Science Experiments That Changed the World
A.A. Michelson calculated the speed of light with two mirrors and some ingenuity. History is full of experiments that alter our understanding of the world or advance medicine. Here are 10 of our favorites.
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