News tagged with gold

Earth's gold came from colliding dead stars

We value gold for many reasons: its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot ...

dateJul 17, 2013 in Astronomy
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Hybrid material as gold-leaf substitute

(Phys.org) —A team of researchers headed by Professor Raffaele Mezzenga has created a hybrid material out of gold and milk proteins that looks like a wafer-thin gold leaf. Thanks to its properties, it could ...

dateJun 18, 2013 in Nanomaterials
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Bovine blood keeps gold nanoparticles stable

(Phys.org) —A protein from cow blood has the remarkable ability to keep gold nanoparticles from clumping in a solution. The discovery could lead to improved biomedical applications and contribute to projects ...

dateMay 14, 2013 in Bio & Medicine
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Scientists image nanoparticles in action

(Phys.org) —The macroscopic effects of certain nanoparticles on human health have long been clear to the naked eye. What scientists have lacked is the ability to see the detailed movements of individual ...

dateApr 25, 2013 in Nanophysics
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