Old quarry near runway now saves airport $430,000 a year

An abandoned rock quarry near a runway at Nashville International Airport was thought of as a liability, so risky that authorities considered filling it in a decade ago. Now, the water-filled pit is enabling the airport to ...

Using carbon nanotubes for drug delivery

Carbon nanotubes, or tiny hollow cylinders of one-atom-thick carbon sheets, have incredible potential for a wide variety of applications due to their strength, flexibility, and other uniquely powerful properties. They are ...

Researchers discover melanin could make for great batteries

Melanin is best known as the pigment that dictates our skin tones, but it is found just about everywhere—in our brains, in our hair. It is even found in cuttlefish. But as abundant as melanin is, its exact macromolecular ...

Squeezing out mountains, mathematically, on Jupiter's moon Io

Mountains aren't the first thing that hit you when you look at images of Jupiter's innermost moon, Io. But once you absorb the fact that the moon is slathered in sulfurous lava erupted from 400 active volcanoes, you might ...

Complex life a billion years earlier than thought?

Researchers said Tuesday they had uncovered fossils showing that complex life on Earth began more than 1.5 billion years ago, nearly a billion years earlier than previously thought.

Biologist: Rabbits and skunks can pass bird flu to ducks

A government wildlife researcher has found that rabbits and skunks can become infected with the bird flu virus and shed it enough to infect ducks—offering scientists one more clue about how bird flu may move in the environment ...

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