Out of this world: 555.55-carat black diamond lands in Dubai
Auction house Sotheby's Dubai has unveiled a diamond that's literally from out of this world.
Other
Jan 17, 2022
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57
News tagged with carbon isotope
Coal creation mechanism uncovered
The mechanism behind one of the first stages of coal creation may not be what we thought it was, according to a team of researchers who found that microbes were responsible for coal formation and production of methane in ...
Earth Sciences
Nov 11, 2021
2
1001
Neanderthals died out earlier than originally believed
(PhysOrg.com) -- According to a newly released report in The Proceedings of the National Academy of Sciences, a newly refined method of radiocarbon dating has found that Neanderthals died off much earlier than originally ...
Paleoecologists suggest mass extinction due to huge methane release
(PhysOrg.com) -- Micha Ruhl and colleagues from the University of Copenhagen's Nordic Center for Earth Evolution have published a paper in Science where they contend that the mass extinction that occurred at the end of the ...
New microplasma source excites matter in controlled way, may revolutionize how archaeologists date objects in the field
A team of researchers from Uppsala University in Sweden has designed a microplasma source capable of exciting matter in a controlled, efficient way. This miniature device may find use in a wide range of applications in harsh ...
Plasma Physics
Sep 6, 2013
2
0
Tree rings may hold clues to impacts of distant supernovas on Earth
Massive explosions of energy happening thousands of light-years from Earth may have left traces in our planet's biology and geology, according to new research by University of Colorado Boulder geoscientist Robert Brakenridge.
Astronomy
Nov 11, 2020
10
1660
Giant fossil Prototaxites: Unraveling a 400-million-year-old mystery
Contradictions and puzzles surround the giant fossil Prototaxites. The fossils resemble tree trunks, and yet they are from a time before trees existed. The stable carbon isotope values are similar to those of fungi, but the ...
Archaeology
Feb 10, 2010
4
0
Research suggests life thrived on Earth 3.5 billion years ago
Three and a half billion years ago, Earth hosted life, but was it barely surviving, or thriving? A new study carried out by a multi-institutional team with leadership including the Earth-Life Science Institute (ELSI) of Tokyo ...
Earth Sciences
Feb 8, 2019
10
908
In tree rings, Japanese scientists find 8th-century mystery
In the late eighth century, Earth was hit by a mystery blast of cosmic rays, according to a Japanese study that found a relic of the powerful event in cedar trees.
Earth Sciences
Jun 4, 2012
1
0
Permian marine mass extinction linked to volcanism-induced anoxia
Mass extinctions are rapid global decreases in Earth's biodiversity, with five key events identified over the planet's history, arguably the most famous of which occurred ~66 million years ago during the Cretaceous, which ...
