News tagged with volcanic ash

Sorry no news are found ... Your search criteria may have been too narrow. You can quickly re-sort the news in different ways by clicking on the tabs at the top of this page.

Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago

Space & Earth / Earth Sciences

8 hours ago | 4 / 5 (6) | 1

A new study provides "incontrovertible evidence" that the volcanic super-eruption of Toba on the island of Sumatra about 73,000 years ago deforested much of central India, some 3,000 miles from the epicenter, ...

Paleontologists find extinction rates higher in open-ocean settings during mass extinctions

Space & Earth / Earth Sciences

Nov 19, 2009 | 5 / 5 (1) | 0

Arnie Miller, University of Cincinnati professor of paleontology in the McMicken College of Arts & Sciences, and co-author Michael Foote of the University of Chicago publish their research in the Nov. 20 issue ...

Rich Ore Deposits Linked to Ancient Atmosphere

Space & Earth / Earth Sciences

Nov 19, 2009 | 4.3 / 5 (3) | 0

(PhysOrg.com) -- Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of ...

After mastodons and mammoths, a transformed landscape

Space & Earth / Earth Sciences

Nov 19, 2009 | 4.6 / 5 (12) | 1

(PhysOrg.com) -- Roughly 15,000 years ago, at the end of the last ice age, North America's vast assemblage of large animals -- including such iconic creatures as mammoths, mastodons, camels, horses, ground ...

Reference Genome of Maize Published (w/ Podcast)

Biology / Biotechnology

Nov 19, 2009 | 5 / 5 (1) | 0

(PhysOrg.com) -- A four-year, multi-institutional effort co-led by three Cold Spring Harbor Laboratory scientists culminated today in publication of a landmark series of papers in the journal Science reveal ...

'No muss, no fuss' miniaturized analysis for complex samples developed

Chemistry / Analytical Chemistry

Nov 18, 2009 | 4.7 / 5 (3) | 0

The goal of an integrated, miniaturized laboratory analysis system, also known as a "lab-on-a-chip," is simple: sample in, answer out. However, researchers wanting to use these microfluidic devices to analyze ...

Volatile gas could turn Rwandan lake into a freshwater time bomb

Space & Earth / Earth Sciences

Nov 16, 2009 | 4.6 / 5 (10) | 5

A dangerous level of carbon dioxide and methane gas haunts Lake Kivu, the freshwater lake system bordering Rwanda and the Republic of Congo.

Russia gains new land after quake, lava flows: scientist

Space & Earth / Earth Sciences

Nov 13, 2009 | 3.8 / 5 (5) | 0

Russia, the world's largest country, has grown even larger recently thanks to an earthquake and a volcanic eruption in its seismically active far eastern regions, a scientist said on Friday.

Earth's early ocean cooled more than a billion years earlier than thought (w/ Video)

Space & Earth / Earth Sciences

Nov 11, 2009 | 4.3 / 5 (12) | 1

(PhysOrg.com) -- The scalding-hot sea that supposedly covered the early Earth may in fact never have existed, according to a new study by Stanford University researchers who analyzed isotope ratios in 3.4 ...

Climate studies to benefit from 12 years of satellite aerosol data

Space & Earth / Earth Sciences

Nov 10, 2009 | 1 / 5 (1) | 0

Aerosols, very small particles suspended in the air, play an important role in the global climate balance and in regulating climate change. They are one of the greatest sources of uncertainty in climate change ...

List of search results for volcanic ash