News tagged with isotope fractionation

Origins of sulfur in rocks tells early oxygen story

(PhysOrg.com) -- Sedimentary rocks created more than 2.4 billion years ago sometimes have an unusual sulfur isotope composition thought to be caused by the action of ultra violet light on volcanically produced ...

Space & Earth / Earth Sciences

created Apr 16, 2009 | popularity 4.1 / 5 (9) | comments 2




Search results for isotope fractionation


Prehistoric cold case links humans to Tasmanian megafauna extinctions

A team of Australian and New Zealand researchers have discovered fresh evidence that could finally unravel the mystery of what killed Tasmania's giant marsupials over 40,000 years ago.

Other Sciences / Archaeology & Fossils

created May 28, 2012 | popularity 4.2 / 5 (5) | comments 0

How heavy and light isotopes separate in magma

In the crash-car derby between heavy and light isotopes vying for the coolest spots as magma turns to solid rock, weightier isotopes have an edge, research led by Case Western Reserve University shows.

Physics / General Physics

created Feb 24, 2012 | popularity 3.3 / 5 (3) | comments 2 | with audio podcast

Research links uplifting continents to crashes in biodiversity on Earth

(PhysOrg.com) -- A mysterious cycle of booms and busts in marine biodiversity over the past 500 million years could be tied to a periodic uplifting of the world’s continents, scientists report in the latest issue of ...

Space & Earth / Earth Sciences

created Feb 22, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

From Earth's water to cosmic dawn: New tools unveiling astronomical mysteries

(PhysOrg.com) -- Two new and powerful research tools are helping astronomers gain key insights needed to transform our understanding of important processes across the breadth of astrophysics. The Atacama Large ...

Space & Earth / Astronomy

created Feb 17, 2012 | popularity 4.3 / 5 (4) | comments 0

Colorful solar instrument treks east for a new career

(PhysOrg.com) -- One of the world's most colorful solar instruments is moving across country for a new life dissecting the chemistry of comets and stars.

Space & Earth / Space Exploration

created Feb 01, 2012 | popularity not rated yet | comments 0

Choreographing dance of electrons offers promise in pursuit of quantum computers

(PhysOrg.com) -- In the basement of Hoyt Laboratory at Princeton University, Alexei Tyryshkin clicked a computer mouse and sent a burst of microwaves washing across a silicon crystal suspended in a frozen ...

Physics / General Physics

created Jan 12, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

‘Fingerprinting’ method tracks mercury emissions from coal-fired power plant

(PhysOrg.com) -- For the first time, the chemical "fingerprints" of the element mercury have been used by University of Michigan researchers to directly link environmental pollution to a specific coal-burning ...

Space & Earth / Environment

created Dec 16, 2011 | popularity 5 / 5 (1) | comments 8 | with audio podcast

Rise of atmospheric oxygen more complicated than previously thought

The appearance of oxygen in the Earth's atmosphere probably did not occur as a single event, but as a long series of starts and stops, according to an international team of researchers who investigated rock ...

Space & Earth / Earth Sciences

created Dec 01, 2011 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Redefining the SI base units

(PhysOrg.com) -- Metrology is poised to undergo a profound change that will benefit scientists, engineers, industry and commerce – but which almost no one will notice in daily life.

Physics / General Physics

created Nov 03, 2011 | popularity 5 / 5 (6) | comments 3

Sandia's annular core research reactor conducts 10,000th operation

With a muffled "pop," a flash of blue light and a few ripples through 14,000 gallons of deionized water, Sandia National Laboratories’ Annular Core Research Reactor (ACRR) recently conducted its 10,000th ...

Technology / Energy & Green Tech

created Oct 31, 2011 | popularity not rated yet | comments 0


List of search results for isotope fractionation