Ancient Egyptians used metal in wooden ships

A piece of wood recovered at a dig near the Great Pyramid of Giza shows for the first time that ancient Egyptians used metal in their boats, archaeologists said Wednesday.

Researchers find transition point in semiconductor nanomaterials

Collaborative research at Notre Dame has demonstrated that electronic interactions play a significant role in the dimensional crossover of semiconductor nanomaterials. The laboratory of Masaru Kuno, professor of chemistry ...

Dawn sets course for higher orbit

After studying Ceres for more than eight months from its low-altitude science orbit, NASA's Dawn spacecraft will move higher up for different views of the dwarf planet.

Lew says Apple's tax fight could spur congressional action

U.S. Treasury Secretary Jacob Lew on Wednesday criticized a European ruling that Apple owes more than $14.5 billion in back taxes. But he said the decision may spur Congress to finally address the stalled effort to reform ...

'Ring of fire' eclipse for African stargazers

Stargazers in south and central Africa will be treated to a spectacular solar eclipse Thursday when the Moon wanders into view to make the Sun appear as a "ring of fire", astronomers say.

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