News tagged with precious stone
Getting the most out of gemstones
Emeralds, rubies and the like are referred to as colored gemstones by experts. They sparkle and shine with varying intensity, depending on the cut. A new machine can achieve the best possible cut and extract ...
Jun 25, 2009 |
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Search results for precious stone
A battle of the vampires, 20 million years ago?
(PhysOrg.com) -- They are tiny, ugly, disease-carrying little blood-suckers that most people have never seen or heard of, but a new discovery in a one-of-a-kind fossil shows that “bat flies” have ...
Feb 02, 2012 |
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Analysis reveals malaria, other diseases as ancient, adaptive and persistent foes
One of the most comprehensive analyses yet done of the ancient history of insect-borne disease concludes for the first time that malaria is not only native to the New World, but it has been present long before ...
Nov 02, 2011 |
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Controversy over reopening the 'Sistine Chapel' of Stone Age art
Plans to reopen Spain's Altamira caves are stirring controversy over the possibility that tourists' visits will further damage the 20,000-year old wall paintings that changed views about the intellectual ability of prehistoric ...
Oct 26, 2011 |
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Researchers discover ancient depiction of childbirth at Etruscan site in Tuscany
An archaeological excavation at Poggio Colla, the site of a 2,700-year-old Etruscan settlement in Italy's Mugello Valley, has turned up a surprising and unique find: two images of a woman giving birth to a ...
Other Sciences / Archaeology & Fossils
Oct 19, 2011 |
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Crucial mummy found 20 years ago Monday
Twenty years ago Monday, a German couple hiking the Italian Alps veered off a marked footpath and stumbled upon one of the world's oldest and most important archeological finds: Oetzi, "The Iceman".
Other Sciences / Archaeology & Fossils
Sep 18, 2011 |
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Ancient species of mayfly had short, tragic life
About 100 million years ago, a tiny mayfly had a problem.
Jun 24, 2011 |
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Ancient sewer excavation sheds light on the Roman diet
(PhysOrg.com) -- Archaeologists working in a system of connected sewers and drains under the ancient town of Herculaneum in the Bay of Naples area of Italy have analyzed the human excrement found there and ...
Other Sciences / Archaeology & Fossils
Jun 17, 2011 |
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Research outlines mysterious evolution of nematodes -- one of Earth’s first animals
They can be both a blessing and a curse, and have been around since the dawn of life. Thousands of species are found from mountain tops to smoking volcanic vents on the ocean floor. They play a key role in ...
Apr 27, 2011 |
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Diamonds shine in quantum networks: Researchers hitch precious stone's impurities onto nano-resonators
When it comes to dreaming about diamonds, energy efficiency and powerful information processing aren't normally the thoughts that spring to mind. Unless, of course, you are a quantum physicist looking to create the most secure ...
Apr 26, 2011 |
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Diamonds not always a girl's best friend
With Valentine’s Day around the corner, jewelers are gearing up for a busy period as happy couples come shopping for the perfect engagement ring. Top of the list is the classic diamond, and this year there are more choices ...
Feb 11, 2011 |
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List of search results for precious stone
