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Resultado de imagen de imagen platinum

Discovery of widespread platinum may help solve Clovis people mystery - HeritageDaily - Heritage & Archaeology News

The Hindsgavl Dagger. In the Neolithic period the flintworkers achieved very high technical standards. The magnificent dagger from Hindsgavl with its blade less than 1 cm thick is the finest example of the flintworkers’ outstanding skills at the end of the Stone Age. It was found around 1876 on tihe island Fænø in the Little Belt. The dagger type is called a ‘fishtail dagger’ because of the fishtail-formed hilt.

the hindsgavl dagger, neolithic period ~ this magnificent dagger from hindsgavl with its blade less than 1 cm thick is the finest example of the flintworkers’ outstanding skills at the end of the stone age

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chemistry of fireworks! What makes fireworks colorful? It's all thanks to the luminescence of metals. Find out more with this great graphic from NPR.

aisscience7elements - info about all the elements

Nickel futures were trading on a bearish note in noon trade in the domestic market on Wednesday as investors and speculators exited positions in the industrial metal amid weak physical demand for Nickel in the domestic spot market.

La explicación lógica fue suponer que la pechblenda contenía trozos de algún elemento mucho más radiactivo que el uranio. También descubren que el torio podía producir radioactividad.

La explicación lógica fue suponer que la pechblenda contenía trozos de algún elemento mucho más radiactivo que el uranio. También descubren que el torio podía producir radioactividad.

A ROMAN AMBER LION  CIRCA 1ST CENTURY B.C.-1ST CENTURY A.D.

A ROMAN AMBER LION CIRCA 1ST CENTURY B.C.-1ST CENTURY A.D.

elemento quimico tulio

elemento quimico tulio

guld - Sök på Google

Gold-digging bacterium makes precious particles : Nature News & Comment

UT Arlington Professor Finds New Ruthenium Complexes Target Cancer Cells Without Typical Side Effects: http://bionews-tx.com/news/2013/05/30/ut-arlington-professor-finds-new-ruthenium-complexes-target-cancer-cells-without-typical-side-effects/

UT Arlington Professor Finds New Ruthenium Complexes Target Cancer Cells Without Typical Side Effects

Morley Robbins talks to me about the one of main underlying causes of disease and weight gain today - copper dysregulation. This is Part 1 of 2.

29 Copper -Cu- An attractive red-gold metal that is an excellent conductor of heat and electricity, easily worked and resistant to corrosion.

Crescent Moon Rotating Flip Ring Moonstone Celtic Knot Goddess Wiccan Pagan Jewelry. I want. =]

I found 'Crescent Moon Rotating Flip Ring Moonstone Celtic Knot Goddess Wiccan Pagan Jewelry (sz on Wish, check it out!

Pinturas Rupestres. Sengés - Paraná. http://www.senges.pr.gov.br/site/turismo

Pinturas Rupestres. Sengés - Paraná. http://www.senges.pr.gov.br/site/turismo

El actinio es es un metal pesado y esta clasificado en tierras raras

89 Actinium -Ac- A rare radioactive metal found in U and Th ores where it forms as a transient decay product. The longest lived isotope has a half life of 22 days.