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Human ancestors used fire one million years ago, archaeologist find

An international team led by the University of Toronto and Hebrew University has identified the earliest known evidence of the use of fire by human ancestors. Microscopic traces of wood ash, alongside animal ...

Other Sciences / Archaeology & Fossils

created Apr 02, 2012 | popularity 4.8 / 5 (43) | comments 2 | with audio podcast

Study characterizes 300-million-year-old tropical forest preserved in volcano ash

(PhysOrg.com) -- Pompeii-like, a 300-million-year-old tropical forest was preserved in ash when a volcano erupted in what is today northern China. A new study by University of Pennsylvania paleobotanist Hermann ...

Space & Earth / Earth Sciences

created Feb 20, 2012 | popularity 5 / 5 (10) | comments 1 | with audio podcast

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

created Jun 17, 2011 | popularity 4.3 / 5 (17) | comments 7 | with audio podcast report

Deep-sea volcanoes don't just produce lava flows, they also explode

Most deep-sea volcanoes produce effusive lava flows rather than explosive eruptions, both because the levels of magmatic gas tend to be low, and because the volcanoes are under a lot of pressure from the surrounding ...

Space & Earth / Earth Sciences

created Mar 28, 2011 | popularity 4.3 / 5 (6) | comments 2 | with audio podcast

Researchers find smoking gun of world's biggest extinction

About 250 million years about 95 per cent of life was wiped out in the sea and 70 per cent on land. Researchers at the University of Calgary believe they have discovered evidence to support massive volcanic ...

Space & Earth / Earth Sciences

created Jan 23, 2011 | popularity 4.7 / 5 (38) | comments 36 | with audio podcast

Volcanic ash in Meridiani Planum

Deposits of volcanic ash colour this view of the Meridiani Planum, as seen by the Mars Express High Resolution Stereo Camera. They also give clues to the prevailing wind direction in this region of Mars.

Space & Earth / Space Exploration

created May 12, 2010 | popularity 5 / 5 (5) | comments 1 | with audio podcast

Ash shows past eruptions 'underestimated'

(PhysOrg.com) -- A study into ash fallout from the biggest volcanic eruption in almost 20 years has shown that the impact of past eruptions is likely to have been significantly underestimated as so much of ...

Space & Earth / Earth Sciences

created May 06, 2009 | popularity 4.7 / 5 (7) | comments 0

Scientists 'read' the ash from the Icelandic volcano two years after its eruption

In May 2010, the ash cloud from the Icelandic volcano Eyjafjallajökull reached the Iberian Peninsula and brought airports to a halt all over Europe. At the time, scientists followed its paths using satellites, laser ...

Space & Earth / Earth Sciences

created May 11, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Salamander found in China oldest of its kind

(PhysOrg.com) -- Six salamander specimens were found in an ancient dry lakebed in China recently and now the team of Ke-Qin Gao from Peking University and Neil H. Shubinb of the University of Chicago has identified ...

Other Sciences / Archaeology & Fossils

created Mar 13, 2012 | popularity 4.4 / 5 (5) | comments 0 | with audio podcast report

NASA satellite confirms sharp decline in pollution from US coal power plants

A team of scientists have used the Ozone Monitoring Instrument (OMI) on NASA's Aura satellite to confirm major reductions in the levels of a key air pollutant generated by coal power plants in the eastern ...

Space & Earth / Environment

created Dec 01, 2011 | popularity 4.2 / 5 (6) | comments 12 | with audio podcast

Marines test new energy-efficient weapon in the war on trash

In partnership with the Office of Naval Research (ONR), Marines at Camp Smith, Hawaii, are testing a high-tech trash disposal system that can reduce a standard 50-gallon bag of waste to a half-pint jar of ...

Technology / Energy & Green Tech

created Nov 15, 2011 | popularity 5 / 5 (6) | comments 8 | with audio podcast

Team discovers ancient road at Maya village buried by volcanic ash 1,400 years ago

A University of Colorado Boulder-led team excavating a Maya village in El Salvador buried by a volcanic eruption 1,400 years ago has unexpectedly hit an ancient white road that appears to lead to and from ...

Other Sciences / Archaeology & Fossils

created Oct 05, 2011 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast

Satellite images show eruption on Alaska volcano

(AP) -- A volcano on a remote Alaska island has begun erupting, but poses little danger to people or aircraft, officials said Tuesday.

Space & Earth / Earth Sciences

created Aug 10, 2011 | popularity 5 / 5 (1) | comments 0

Researchers connect volcanic activity to mini-earthquakes

The ash from the recent eruptions of the Puyehue-Cordon Caulle in Chile disrupted airplane schedules, forcing some planes to circle the globe a second time. causing even more delays. A Michigan Technological ...

Space & Earth / Earth Sciences

created Jul 15, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Three active volcanoes spotted on satellite imagery from NASA

(PhysOrg.com) -- From space, NASA keeps a watchful eye on volcanic activity around the world with many satellites. NASA has just released satellite images showing activity this week from volcanoes in the countries ...

Space & Earth / Earth Sciences

created Jul 11, 2011 | popularity 4 / 5 (3) | comments 0 | with audio podcast