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The instrument is an early version of a training device popularized by optometrists.
A reusable tape made of micro fibers has the remarkable ability to self-clean.
This sea sponge challenges a popular idea of what triggered the evolution of animal life on earth.
The Salt Lake Valley's topography lends itself to a natural phenomenon called an inversion, which traps air pollution.
Scientists used a high speed camera to study how tiny carbon dioxide bubbles in beer rapidly expand and rise.
This heart-shaped nanoparticle contains a trio of elements that helps drive the oxidation of ethanol in fuel cells.
Researchers have discovered an unprecedented diversity of glowing fish species.
A recently described 100 million-year-old fossil is the most complete flowering plant from the Cretaceous discovered.
One experiment shows that this little understood phenomenon seems to perform better with distilled water.
The country's Christmas tree capital is Oregon, where Douglas and noble firs reign thanks to accommodating climate and soil.
Evidence suggests that these fireballs don't come from a comet, but an asteroid with a tail.
This plane looks blue under ultraviolet light, but it's designed to be green.
For Californians, Thanksgiving is prime time for butterfly counting.
The brown and black bristles help the caterpillar survive harsh winters.
The Cassini spacecraft's sweeping shot shows Saturn, its moons and rings, and Earth, Venus, and Mars.
This tree's kaleidoscopic bark is a photographer's delight.
These bats could be considered the "Mavericks of the bat world."
The phenomenon has impressed people for centuries, but it has yet to be created in the lab.
A method using consumer grade photography gear offers a fresh look at the northern lights.
A lofty view from space reveals the Red Planet's polygonal geometry.
This olive-like structure is composed of tiny luminescing spheres that could be used in cellular imaging.
Firefighter Greg Sanders encountered a flaming, cobra-like swirl while doing reconnaissance work in Virginia.
The Tissandier brothers contributed to France's reputation as the balloon capital of the world.
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