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In a standard camera lens, light is focused onto a single point in order to magnify a scene. In telescopes, on the other hand, lenses work differently, by reflecting light back and forth to achieve greater magnification. This idea can also be thought of as "folding" light.

Scientists have discoverd that, in medieval churches, stained glass windows painted with gold purify the air when heated by the sun. The researchers hope that this discovery could also be used for modern technologies, since the chemical reaction involved is very energy-efficient.

Scientists are looking at human hair on the microscopic level to try to determine the differences between frizzy and silky hair. They hope their research could lead to better shampoos and conditioners, and give people more "good hair days."

Scientists have recently created a balloon made of graphene, which is a one-atom-thick layer of carbon, making it the world's thinnest balloon.

Researchers have pinpointed a gene that helps determine if an individual is at a risk for developing a nicotine addiction. Generally, when smoking a cigarette for the first time, people either experience a pleasant buzz or a nauseating cough.

Secure in the shoulder harness of a 250-pound jet pack, 16-year-old Harrison Martin rose a few feet off the ground. With two fans at his sides providing upward thrust, he hovered for about 45 seconds before settling back down on earth.

Researchers have developed a "microscopic microscope" - a microscope that's small enough to fit inside a cell phone yet that still delivers top-quality magnifying power.

MIT researchers are investigating how a primitive fish uses its scaly exoskeleton to protect itself from the sharp teeth of its predators. The scientists' goal is to develop a better kind of armor for soldiers to similarly protect them from bullets, shrapnel, and bombs.

In an effort to help people maintain healthy weights and still enjoy good food, scientists have created a genetically modified form of wheat that has fewer calories compared with other varieties.

Carbon nanotubes may be the key in overcoming a challenging roadblock for scientists trying to create artificial photosynthesis.