Tag: "eruption" at biology news
Ancient creature fossilized by the bacteria that ate it
...nd turned to quartz. Later, a volcanic eruption
produced lava flows that covered the pools with a layer of basaltic rock. The pools werent completely obliterated by the overflowing lava, but rather were sealed in pockets that preserved the chemistry in these isolated locations. Today, ...
What have scientists learned since Mount St. Helens erupted?
...el to Mount St. Helens 2 months after the historic eruption
and study the aftermath. Crisafulli and his coll...te for explaining ecological responses to the 1980 eruption
of Mount St. Helens. Some of the findings include: Disturbance gradients ranged from areas where...
Pinatubo's rivers show the danger isn't over when volcanic eruption ends
...s, the real disaster often doesn't start until the eruption
has subsided and the world has stopped paying atte...and property at Pinatubo from lahars than from the eruption
itself," Gran said. "And recovery comes slowly, in stages. It could be years before we start to see ...
Sardines may prevent toxic gas eruptions off the California and African coasts
...ce coincided with a noticeable temporary hiatus in eruption
frequency off Namibia in 2002." Bakun and Weeks also warn that the areas around Cape Mendocino, California, and Cape Sim, Morocco, may be dangerously close to the "tipping point," possibly ripe for phytoplankton population explosions followed by the...
Want to petrify wood without waiting a few million years? Try this
...River. There, trees likely felled in a cataclysmic eruption
and, buried without oxygen beneath lava, leached out their woody compounds and sponged up the soil's minerals over the eons. Shin's petrified wood journey began in a less dramatic fashion, a few minutes away at Lowe's, Shin's group reports in the cu...
Muon opportunists: Detecting the unseen with natural probes
...ys of the interior of volcanoes for hints of their eruption
potential. Nagamine and his colleagues exploit the fact that some high-energy muons are traveling almost horizontally when they reach Earth's surface. By placing multiple muon detectors around a mountain, the scientists can measure its shape and loo...
Researchers discover underwater volcano
...ed the unique biological community surrounding the eruption
site, and were amazed to find an "Eel City," a community of hundreds of slithering eels. This new volcano, dubbed Nafanua after the ferocious Samoan goddess of war, did not exist just fours years ago, according to co-chief scientists Hubert Staudigel...
New window into ancient ozone holes
... history and also coincides with the largest known eruption
of lava and potentially ozone-destroying gases - the Siberian Traps. The latest results from the ongoing work will be presented by Lomax on Wednesday, 10 August, at Earth System Processes 2, a meeting co-convened by the Geological Society and Geologi...
Modern technology helps shed light on illnesses in artists of the past
...en Munch's artistic expression of a fiery volcanic eruption
which occurred that year in Indonesia. The explosion was so intense, Munch could see the blood red sky during an evening stroll in Oslo, which is half a world away. Some also believe that Munch recreated the scene in 1893 while his sister, Laura, wa...
Eruption update: Island in British Overseas Territory is growing in size
A rare volcanic eruption
is expanding the size of an island in British Over...million years. This opportunity to monitor a live eruption
and see how it affects ice cover is priceless'. Dr Smellie plans to fly over the volcano in the New...
Mass extinctions a threat from outer space or our own planet's detox?
...the cause may come from within our own planet the eruption
of vast amounts of lava that brings a cocktail of gases from deep inside the Earth and vents them into the atmosphere. University of Leicester geologists, Professor Andy Saunders and Dr Marc Reichow, are taking a fresh look at what may actually have ...
Ancient DNA provides clues to the evolution of social behavior
... a genetic bottleneck. Chan thinks that a volcanic eruption
known to have occurred in the Andes roughly 3,000 years ago, combined with environmental change and competition from the larger species of tuco-tuco, likely caused the die-off. Most genetic studies rely entirely on modern DNA to estimate historical p...
Study outlines eruption at undersea volcano
...ed its findings from the first observations of the eruption
of a submarine volcano that in 2004 and 2005 spewe...e study. "But at other times, we could observe the eruption
from only 10 feet away something you could never do on land. So in some ways, we were able to see p...
Watching rocks grow: Theory explains landscape of geothermal springs
...ws, and in the sealing off of some springs and the eruption
of new vents. "Now that we understand the physical processes involved in how these rocks grow, we can address the way in which heat-loving microbes populate and influence the hot springs," Veysey said....
11th International Deep-Sea Biology Symposium
...y 7 studying the aftermath of an undersea volcanic eruption
in the Pacific earlier this year. The BBC Natural History Film Unit will also show a preview of the deep-sea footage from the "Ocean" programme of the acclaimed "Planet Earth" series, to be broadcast this autumn. "This is the largest deep-sea biolo...
ACS News Service Weekly PressPac -- Oct. 25, 2006
...peii that was buried under ash during the infamous eruption
of Mount Vesuvius in 79 A. D. The paint, which used pigment made from red mercuric sulfide (called Cinnabar, HgS), was preserved under ash until excavations began in 1988. Since the 1990s, however, the brilliant red paintings have darkened and deteri...
Icelandic volcano caused historic famine in Egypt, says Rutgers-based team
...o trace atmospheric changes that followed the 1783 eruption
of Laki in southern Iceland back to their point of origin. The study is the first to conclusively establish the linkage between high-latitude eruptions and the water supply in North Africa. "Our findings may help us improve predictions of climate r...
Scientists lose instruments, gain first look at seafloor formation
... "Discovering new lava so soon after a seafloor eruption
is a unique opportunity," said Donna Blackman, cur...e near hydrothermal vents." The first underwater eruption
was not documented until 1990, even though many probably occur each year, and seismometers on land s...
AGU Journal highlights -- February 23, 2007
... report that the volcanic area, which had its last eruption
in 1538, started a new uplift episode in November ...d. According to previous studies, the 16th century eruption
occurred after decades of uplift coupled with brief periods of subsidence. Within the past 40 years,...
How long is a child a child?
...an. Tooth growth, and most importantly molar tooth eruption
age, represents one of the most powerful clues to ...hildhood arose. In this study, tooth growth and eruption
was examined in one of the earliest representatives of Homo sapiens, found in Jebel Irhoud, Morocco ...