A baby grabs the string of a single helium balloon and floats right out of its baby carriage. Why can't people really float into the air using helium balloons?
Not many people remember that Franklin was an inventor . . . and a good one, too! He also did some pioneering work in physics.
Plastic wrap clings for two reasons: it's elastic and it's sticky. Let's explore the chemistry beneath the elasticity and stickiness of plastic wrap.
Reading ads for antioxidant supplements, you'd think you'd found the fountain of youth. What are antioxidants and how do they work?
The chair you're sitting on and even the computer you're reading could be considered empty space!
Find out why the world, as we know it, is mostly empty space.
There is much talk about turning sunlight into power... Learn more about the technology at play.
The next time you long for the romance of the northern lights, switch on a fluorescent lamp! There may be less mystique, but the principle will be the same.
Feeling the cash crunch as a result of high gas prices? A surprising solution may be near, sewage as fuel. Learn more on this Moment of Science.
While it might take a unbelievable magnet to levitate a frog, there are magnetic forces in everything around us, including ourselves!